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Finding the Fourth Proportional to 63,513.75, 87,642.68 and 36,664.92

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Solution

The fourth proportional to 63,513.75, 87,642.68 and 36,664.92 is: 50,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,513.75 : 87,642.68 = 36,664.92 : x
  2. Step 2: Convert to fraction form
    63,513.75/87,642.68 = 36,664.92/x
  3. Step 3: Cross multiply
    63,513.75x = 87,642.68 × 36,664.92
  4. Step 4: Simplify right side
    63,513.75x = 3,213,411,667.46
  5. Step 5: Solve for x
    x = 3,213,411,667.46/63,513.75
  6. Step 6: Final answer
    x = 50,593.95

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1.5x scale

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.