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Finding the Fourth Proportional to 60,524.72, 90,872.16 and 30,963.76

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Solution

The fourth proportional to 60,524.72, 90,872.16 and 30,963.76 is: 46,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,524.72 : 90,872.16 = 30,963.76 : x
  2. Step 2: Convert to fraction form
    60,524.72/90,872.16 = 30,963.76/x
  3. Step 3: Cross multiply
    60,524.72x = 90,872.16 × 30,963.76
  4. Step 4: Simplify right side
    60,524.72x = 2,813,743,752.92
  5. Step 5: Solve for x
    x = 2,813,743,752.92/60,524.72
  6. Step 6: Final answer
    x = 46,489.17

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1.5x scale

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.