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Finding the Fourth Proportional to 53,710.70, 74,127.56 and 32,489.91

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Solution

The fourth proportional to 53,710.70, 74,127.56 and 32,489.91 is: 44,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,710.70 : 74,127.56 = 32,489.91 : x
  2. Step 2: Convert to fraction form
    53,710.70/74,127.56 = 32,489.91/x
  3. Step 3: Cross multiply
    53,710.70x = 74,127.56 × 32,489.91
  4. Step 4: Simplify right side
    53,710.70x = 2,408,397,590.47
  5. Step 5: Solve for x
    x = 2,408,397,590.47/53,710.70
  6. Step 6: Final answer
    x = 44,840.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.