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Finding the Fourth Proportional to 40,718.88, 61,060.56 and 14,414.88

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Solution

The fourth proportional to 40,718.88, 61,060.56 and 14,414.88 is: 21,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,718.88 : 61,060.56 = 14,414.88 : x
  2. Step 2: Convert to fraction form
    40,718.88/61,060.56 = 14,414.88/x
  3. Step 3: Cross multiply
    40,718.88x = 61,060.56 × 14,414.88
  4. Step 4: Simplify right side
    40,718.88x = 880,180,645.13
  5. Step 5: Solve for x
    x = 880,180,645.13/40,718.88
  6. Step 6: Final answer
    x = 21,616.03

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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.