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Finding the Fourth Proportional to 10,037.92, 13,851.92 and 5,561.86

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Solution

The fourth proportional to 10,037.92, 13,851.92 and 5,561.86 is: 7,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,037.92 : 13,851.92 = 5,561.86 : x
  2. Step 2: Convert to fraction form
    10,037.92/13,851.92 = 5,561.86/x
  3. Step 3: Cross multiply
    10,037.92x = 13,851.92 × 5,561.86
  4. Step 4: Simplify right side
    10,037.92x = 77,042,342.70
  5. Step 5: Solve for x
    x = 77,042,342.70/10,037.92
  6. Step 6: Final answer
    x = 7,675.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.