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Finding the Fourth Proportional to 63,412.37, 87,489.16 and 36,551.15

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Solution

The fourth proportional to 63,412.37, 87,489.16 and 36,551.15 is: 50,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,412.37 : 87,489.16 = 36,551.15 : x
  2. Step 2: Convert to fraction form
    63,412.37/87,489.16 = 36,551.15/x
  3. Step 3: Cross multiply
    63,412.37x = 87,489.16 × 36,551.15
  4. Step 4: Simplify right side
    63,412.37x = 3,197,829,410.53
  5. Step 5: Solve for x
    x = 3,197,829,410.53/63,412.37
  6. Step 6: Final answer
    x = 50,429.11

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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.