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Finding the Fourth Proportional to 58,363.74, 87,574.16 and 36,171.16

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Solution

The fourth proportional to 58,363.74, 87,574.16 and 36,171.16 is: 54,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,363.74 : 87,574.16 = 36,171.16 : x
  2. Step 2: Convert to fraction form
    58,363.74/87,574.16 = 36,171.16/x
  3. Step 3: Cross multiply
    58,363.74x = 87,574.16 × 36,171.16
  4. Step 4: Simplify right side
    58,363.74x = 3,167,658,824.72
  5. Step 5: Solve for x
    x = 3,167,658,824.72/58,363.74
  6. Step 6: Final answer
    x = 54,274.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.