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Finding the Fourth Proportional to 58,553.72, 87,830.29 and 14,180.47

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Solution

The fourth proportional to 58,553.72, 87,830.29 and 14,180.47 is: 21,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,553.72 : 87,830.29 = 14,180.47 : x
  2. Step 2: Convert to fraction form
    58,553.72/87,830.29 = 14,180.47/x
  3. Step 3: Cross multiply
    58,553.72x = 87,830.29 × 14,180.47
  4. Step 4: Simplify right side
    58,553.72x = 1,245,474,530.76
  5. Step 5: Solve for x
    x = 1,245,474,530.76/58,553.72
  6. Step 6: Final answer
    x = 21,270.63

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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.