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Finding the Fourth Proportional to 60,408.75, 90,626.10 and 23,472.75

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Solution

The fourth proportional to 60,408.75, 90,626.10 and 23,472.75 is: 35,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,408.75 : 90,626.10 = 23,472.75 : x
  2. Step 2: Convert to fraction form
    60,408.75/90,626.10 = 23,472.75/x
  3. Step 3: Cross multiply
    60,408.75x = 90,626.10 × 23,472.75
  4. Step 4: Simplify right side
    60,408.75x = 2,127,243,788.78
  5. Step 5: Solve for x
    x = 2,127,243,788.78/60,408.75
  6. Step 6: Final answer
    x = 35,214.17

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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.