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Finding the Fourth Proportional to 53,472.60, 80,036.10 and 41,722.20

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Solution

The fourth proportional to 53,472.60, 80,036.10 and 41,722.20 is: 62,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,472.60 : 80,036.10 = 41,722.20 : x
  2. Step 2: Convert to fraction form
    53,472.60/80,036.10 = 41,722.20/x
  3. Step 3: Cross multiply
    53,472.60x = 80,036.10 × 41,722.20
  4. Step 4: Simplify right side
    53,472.60x = 3,339,282,171.42
  5. Step 5: Solve for x
    x = 3,339,282,171.42/53,472.60
  6. Step 6: Final answer
    x = 62,448.47

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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.