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Finding the Fourth Proportional to 63,242.32, 87,263.88 and 37,759

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Solution

The fourth proportional to 63,242.32, 87,263.88 and 37,759 is: 52,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,242.32 : 87,263.88 = 37,759 : x
  2. Step 2: Convert to fraction form
    63,242.32/87,263.88 = 37,759/x
  3. Step 3: Cross multiply
    63,242.32x = 87,263.88 × 37,759
  4. Step 4: Simplify right side
    63,242.32x = 3,294,996,844.92
  5. Step 5: Solve for x
    x = 3,294,996,844.92/63,242.32
  6. Step 6: Final answer
    x = 52,101.14

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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.