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Finding the Fourth Proportional to 63,754.63, 87,981.38 and 35,459.71

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Solution

The fourth proportional to 63,754.63, 87,981.38 and 35,459.71 is: 48,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,754.63 : 87,981.38 = 35,459.71 : x
  2. Step 2: Convert to fraction form
    63,754.63/87,981.38 = 35,459.71/x
  3. Step 3: Cross multiply
    63,754.63x = 87,981.38 × 35,459.71
  4. Step 4: Simplify right side
    63,754.63x = 3,119,794,220.20
  5. Step 5: Solve for x
    x = 3,119,794,220.20/63,754.63
  6. Step 6: Final answer
    x = 48,934.39

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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.