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Finding the Fourth Proportional to 6,151,990.40, 9,227,985.60 and 6,151,990.40

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Solution

The fourth proportional to 6,151,990.40, 9,227,985.60 and 6,151,990.40 is: 9,227,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151,990.40 : 9,227,985.60 = 6,151,990.40 : x
  2. Step 2: Convert to fraction form
    6,151,990.40/9,227,985.60 = 6,151,990.40/x
  3. Step 3: Cross multiply
    6,151,990.40x = 9,227,985.60 × 6,151,990.40
  4. Step 4: Simplify right side
    6,151,990.40x = 56,770,478,822,538.24
  5. Step 5: Solve for x
    x = 56,770,478,822,538.24/6,151,990.40
  6. Step 6: Final answer
    x = 9,227,985.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.