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Finding the Fourth Proportional to 58,232.80, 87,349.20 and 16,679.80

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Solution

The fourth proportional to 58,232.80, 87,349.20 and 16,679.80 is: 25,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,232.80 : 87,349.20 = 16,679.80 : x
  2. Step 2: Convert to fraction form
    58,232.80/87,349.20 = 16,679.80/x
  3. Step 3: Cross multiply
    58,232.80x = 87,349.20 × 16,679.80
  4. Step 4: Simplify right side
    58,232.80x = 1,456,967,186.16
  5. Step 5: Solve for x
    x = 1,456,967,186.16/58,232.80
  6. Step 6: Final answer
    x = 25,019.70

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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.