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Finding the Fourth Proportional to 58,337.70, 87,432.72 and 37,269.60

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Solution

The fourth proportional to 58,337.70, 87,432.72 and 37,269.60 is: 55,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,337.70 : 87,432.72 = 37,269.60 : x
  2. Step 2: Convert to fraction form
    58,337.70/87,432.72 = 37,269.60/x
  3. Step 3: Cross multiply
    58,337.70x = 87,432.72 × 37,269.60
  4. Step 4: Simplify right side
    58,337.70x = 3,258,582,501.31
  5. Step 5: Solve for x
    x = 3,258,582,501.31/58,337.70
  6. Step 6: Final answer
    x = 55,857.23

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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.