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Finding the Fourth Proportional to 52,472.66, 78,643.15 and 41,335.36

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Solution

The fourth proportional to 52,472.66, 78,643.15 and 41,335.36 is: 61,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,472.66 : 78,643.15 = 41,335.36 : x
  2. Step 2: Convert to fraction form
    52,472.66/78,643.15 = 41,335.36/x
  3. Step 3: Cross multiply
    52,472.66x = 78,643.15 × 41,335.36
  4. Step 4: Simplify right side
    52,472.66x = 3,250,743,291.72
  5. Step 5: Solve for x
    x = 3,250,743,291.72/52,472.66
  6. Step 6: Final answer
    x = 61,951.18

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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.