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Finding the Fourth Proportional to 54,407.89, 81,515.13 and 22,748.23

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Solution

The fourth proportional to 54,407.89, 81,515.13 and 22,748.23 is: 34,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,407.89 : 81,515.13 = 22,748.23 : x
  2. Step 2: Convert to fraction form
    54,407.89/81,515.13 = 22,748.23/x
  3. Step 3: Cross multiply
    54,407.89x = 81,515.13 × 22,748.23
  4. Step 4: Simplify right side
    54,407.89x = 1,854,324,925.72
  5. Step 5: Solve for x
    x = 1,854,324,925.72/54,407.89
  6. Step 6: Final answer
    x = 34,081.91

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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.