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Finding the Fourth Proportional to 41,858.64, 62,726.52 and 21,053.52

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Solution

The fourth proportional to 41,858.64, 62,726.52 and 21,053.52 is: 31,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,858.64 : 62,726.52 = 21,053.52 : x
  2. Step 2: Convert to fraction form
    41,858.64/62,726.52 = 21,053.52/x
  3. Step 3: Cross multiply
    41,858.64x = 62,726.52 × 21,053.52
  4. Step 4: Simplify right side
    41,858.64x = 1,320,614,043.35
  5. Step 5: Solve for x
    x = 1,320,614,043.35/41,858.64
  6. Step 6: Final answer
    x = 31,549.38

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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.