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Finding the Fourth Proportional to 63,642.76, 95,495.12 and 25,690.48

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Solution

The fourth proportional to 63,642.76, 95,495.12 and 25,690.48 is: 38,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,642.76 : 95,495.12 = 25,690.48 : x
  2. Step 2: Convert to fraction form
    63,642.76/95,495.12 = 25,690.48/x
  3. Step 3: Cross multiply
    63,642.76x = 95,495.12 × 25,690.48
  4. Step 4: Simplify right side
    63,642.76x = 2,453,315,470.46
  5. Step 5: Solve for x
    x = 2,453,315,470.46/63,642.76
  6. Step 6: Final answer
    x = 38,548.23

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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.