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Finding the Fourth Proportional to 45,704.86, 63,074.06 and 25,561.31

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Solution

The fourth proportional to 45,704.86, 63,074.06 and 25,561.31 is: 35,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,704.86 : 63,074.06 = 25,561.31 : x
  2. Step 2: Convert to fraction form
    45,704.86/63,074.06 = 25,561.31/x
  3. Step 3: Cross multiply
    45,704.86x = 63,074.06 × 25,561.31
  4. Step 4: Simplify right side
    45,704.86x = 1,612,255,253.30
  5. Step 5: Solve for x
    x = 1,612,255,253.30/45,704.86
  6. Step 6: Final answer
    x = 35,275.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.