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Finding the Fourth Proportional to 63,279.61, 94,883.47 and 25,795.78

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Solution

The fourth proportional to 63,279.61, 94,883.47 and 25,795.78 is: 38,679.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,279.61 : 94,883.47 = 25,795.78 : x
  2. Step 2: Convert to fraction form
    63,279.61/94,883.47 = 25,795.78/x
  3. Step 3: Cross multiply
    63,279.61x = 94,883.47 × 25,795.78
  4. Step 4: Simplify right side
    63,279.61x = 2,447,593,117.76
  5. Step 5: Solve for x
    x = 2,447,593,117.76/63,279.61
  6. Step 6: Final answer
    x = 38,679.02

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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.