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Finding the Fourth Proportional to 56,092.89, 84,129.61 and 14,539.89

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Solution

The fourth proportional to 56,092.89, 84,129.61 and 14,539.89 is: 21,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,092.89 : 84,129.61 = 14,539.89 : x
  2. Step 2: Convert to fraction form
    56,092.89/84,129.61 = 14,539.89/x
  3. Step 3: Cross multiply
    56,092.89x = 84,129.61 × 14,539.89
  4. Step 4: Simplify right side
    56,092.89x = 1,223,235,275.14
  5. Step 5: Solve for x
    x = 1,223,235,275.14/56,092.89
  6. Step 6: Final answer
    x = 21,807.31

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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.