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Finding the Fourth Proportional to 45,635.04, 68,474.88 and 25,632

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Solution

The fourth proportional to 45,635.04, 68,474.88 and 25,632 is: 38,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635.04 : 68,474.88 = 25,632 : x
  2. Step 2: Convert to fraction form
    45,635.04/68,474.88 = 25,632/x
  3. Step 3: Cross multiply
    45,635.04x = 68,474.88 × 25,632
  4. Step 4: Simplify right side
    45,635.04x = 1,755,148,124.16
  5. Step 5: Solve for x
    x = 1,755,148,124.16/45,635.04
  6. Step 6: Final answer
    x = 38,460.54

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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.