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Finding the Fourth Proportional to 58,588.57, 87,710.05 and 36,330.31

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Solution

The fourth proportional to 58,588.57, 87,710.05 and 36,330.31 is: 54,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,588.57 : 87,710.05 = 36,330.31 : x
  2. Step 2: Convert to fraction form
    58,588.57/87,710.05 = 36,330.31/x
  3. Step 3: Cross multiply
    58,588.57x = 87,710.05 × 36,330.31
  4. Step 4: Simplify right side
    58,588.57x = 3,186,533,306.62
  5. Step 5: Solve for x
    x = 3,186,533,306.62/58,588.57
  6. Step 6: Final answer
    x = 54,388.31

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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.