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Finding the Fourth Proportional to 60,647.66, 90,989.03 and 25,102.40

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Solution

The fourth proportional to 60,647.66, 90,989.03 and 25,102.40 is: 37,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,647.66 : 90,989.03 = 25,102.40 : x
  2. Step 2: Convert to fraction form
    60,647.66/90,989.03 = 25,102.40/x
  3. Step 3: Cross multiply
    60,647.66x = 90,989.03 × 25,102.40
  4. Step 4: Simplify right side
    60,647.66x = 2,284,042,446.21
  5. Step 5: Solve for x
    x = 2,284,042,446.21/60,647.66
  6. Step 6: Final answer
    x = 37,660.85

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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.