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Finding the Fourth Proportional to 63,515.77, 87,637.77 and 36,652.57

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Solution

The fourth proportional to 63,515.77, 87,637.77 and 36,652.57 is: 50,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,515.77 : 87,637.77 = 36,652.57 : x
  2. Step 2: Convert to fraction form
    63,515.77/87,637.77 = 36,652.57/x
  3. Step 3: Cross multiply
    63,515.77x = 87,637.77 × 36,652.57
  4. Step 4: Simplify right side
    63,515.77x = 3,212,149,316.31
  5. Step 5: Solve for x
    x = 3,212,149,316.31/63,515.77
  6. Step 6: Final answer
    x = 50,572.47

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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.