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Finding the Fourth Proportional to 38,652.80, 57,927.76 and 25,308.88

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Solution

The fourth proportional to 38,652.80, 57,927.76 and 25,308.88 is: 37,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652.80 : 57,927.76 = 25,308.88 : x
  2. Step 2: Convert to fraction form
    38,652.80/57,927.76 = 25,308.88/x
  3. Step 3: Cross multiply
    38,652.80x = 57,927.76 × 25,308.88
  4. Step 4: Simplify right side
    38,652.80x = 1,466,086,726.51
  5. Step 5: Solve for x
    x = 1,466,086,726.51/38,652.80
  6. Step 6: Final answer
    x = 37,929.64

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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.