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Finding the Fourth Proportional to 8,000.22, 10,981.55 and 7,096.26

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Solution

The fourth proportional to 8,000.22, 10,981.55 and 7,096.26 is: 9,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.22 : 10,981.55 = 7,096.26 : x
  2. Step 2: Convert to fraction form
    8,000.22/10,981.55 = 7,096.26/x
  3. Step 3: Cross multiply
    8,000.22x = 10,981.55 × 7,096.26
  4. Step 4: Simplify right side
    8,000.22x = 77,927,934.00
  5. Step 5: Solve for x
    x = 77,927,934.00/8,000.22
  6. Step 6: Final answer
    x = 9,740.72

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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.