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Finding the Fourth Proportional to 40,433.87, 60,648.73 and 15,472

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Solution

The fourth proportional to 40,433.87, 60,648.73 and 15,472 is: 23,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,433.87 : 60,648.73 = 15,472 : x
  2. Step 2: Convert to fraction form
    40,433.87/60,648.73 = 15,472/x
  3. Step 3: Cross multiply
    40,433.87x = 60,648.73 × 15,472
  4. Step 4: Simplify right side
    40,433.87x = 938,357,150.56
  5. Step 5: Solve for x
    x = 938,357,150.56/40,433.87
  6. Step 6: Final answer
    x = 23,207.21

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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.