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Finding the Fourth Proportional to 60,658.92, 90,989.19 and 25,623.18

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Solution

The fourth proportional to 60,658.92, 90,989.19 and 25,623.18 is: 38,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,658.92 : 90,989.19 = 25,623.18 : x
  2. Step 2: Convert to fraction form
    60,658.92/90,989.19 = 25,623.18/x
  3. Step 3: Cross multiply
    60,658.92x = 90,989.19 × 25,623.18
  4. Step 4: Simplify right side
    60,658.92x = 2,331,432,393.42
  5. Step 5: Solve for x
    x = 2,331,432,393.42/60,658.92
  6. Step 6: Final answer
    x = 38,435.11

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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.