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Finding the Fourth Proportional to 63,411.66, 87,495.58 and 36,187.15

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Solution

The fourth proportional to 63,411.66, 87,495.58 and 36,187.15 is: 49,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,411.66 : 87,495.58 = 36,187.15 : x
  2. Step 2: Convert to fraction form
    63,411.66/87,495.58 = 36,187.15/x
  3. Step 3: Cross multiply
    63,411.66x = 87,495.58 × 36,187.15
  4. Step 4: Simplify right side
    63,411.66x = 3,166,215,496.86
  5. Step 5: Solve for x
    x = 3,166,215,496.86/63,411.66
  6. Step 6: Final answer
    x = 49,931.13

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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.