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Finding the Fourth Proportional to 63,392, 87,480.63 and 34,711.14

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Solution

The fourth proportional to 63,392, 87,480.63 and 34,711.14 is: 47,901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,392 : 87,480.63 = 34,711.14 : x
  2. Step 2: Convert to fraction form
    63,392/87,480.63 = 34,711.14/x
  3. Step 3: Cross multiply
    63,392x = 87,480.63 × 34,711.14
  4. Step 4: Simplify right side
    63,392x = 3,036,552,395.22
  5. Step 5: Solve for x
    x = 3,036,552,395.22/63,392
  6. Step 6: Final answer
    x = 47,901.19

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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.