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Finding the Fourth Proportional to 63,064.76, 87,035.51 and 47,121.53

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Solution

The fourth proportional to 63,064.76, 87,035.51 and 47,121.53 is: 65,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,064.76 : 87,035.51 = 47,121.53 : x
  2. Step 2: Convert to fraction form
    63,064.76/87,035.51 = 47,121.53/x
  3. Step 3: Cross multiply
    63,064.76x = 87,035.51 × 47,121.53
  4. Step 4: Simplify right side
    63,064.76x = 4,101,246,078.16
  5. Step 5: Solve for x
    x = 4,101,246,078.16/63,064.76
  6. Step 6: Final answer
    x = 65,032.30

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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.