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Finding the Fourth Proportional to 63,715.59, 87,929.78 and 35,037.45

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Solution

The fourth proportional to 63,715.59, 87,929.78 and 35,037.45 is: 48,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,715.59 : 87,929.78 = 35,037.45 : x
  2. Step 2: Convert to fraction form
    63,715.59/87,929.78 = 35,037.45/x
  3. Step 3: Cross multiply
    63,715.59x = 87,929.78 × 35,037.45
  4. Step 4: Simplify right side
    63,715.59x = 3,080,835,095.07
  5. Step 5: Solve for x
    x = 3,080,835,095.07/63,715.59
  6. Step 6: Final answer
    x = 48,352.92

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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.