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Finding the Fourth Proportional to 5,990,129.10, 8,985,193.65 and 5,990,129.10

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Solution

The fourth proportional to 5,990,129.10, 8,985,193.65 and 5,990,129.10 is: 8,985,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990,129.10 : 8,985,193.65 = 5,990,129.10 : x
  2. Step 2: Convert to fraction form
    5,990,129.10/8,985,193.65 = 5,990,129.10/x
  3. Step 3: Cross multiply
    5,990,129.10x = 8,985,193.65 × 5,990,129.10
  4. Step 4: Simplify right side
    5,990,129.10x = 53,822,469,952,000.21
  5. Step 5: Solve for x
    x = 53,822,469,952,000.21/5,990,129.10
  6. Step 6: Final answer
    x = 8,985,193.65

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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.