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Finding the Fourth Proportional to 10,337.02, 15,505.54 and 8,505.62

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Solution

The fourth proportional to 10,337.02, 15,505.54 and 8,505.62 is: 12,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.02 : 15,505.54 = 8,505.62 : x
  2. Step 2: Convert to fraction form
    10,337.02/15,505.54 = 8,505.62/x
  3. Step 3: Cross multiply
    10,337.02x = 15,505.54 × 8,505.62
  4. Step 4: Simplify right side
    10,337.02x = 131,884,231.13
  5. Step 5: Solve for x
    x = 131,884,231.13/10,337.02
  6. Step 6: Final answer
    x = 12,758.44

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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.