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Finding the Fourth Proportional to 63,410.18, 87,484.56 and 36,551.84

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Solution

The fourth proportional to 63,410.18, 87,484.56 and 36,551.84 is: 50,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,410.18 : 87,484.56 = 36,551.84 : x
  2. Step 2: Convert to fraction form
    63,410.18/87,484.56 = 36,551.84/x
  3. Step 3: Cross multiply
    63,410.18x = 87,484.56 × 36,551.84
  4. Step 4: Simplify right side
    63,410.18x = 3,197,721,639.59
  5. Step 5: Solve for x
    x = 3,197,721,639.59/63,410.18
  6. Step 6: Final answer
    x = 50,429.15

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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.