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Finding the Fourth Proportional to 66,229.33, 99,348.87 and 19,484.23

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Solution

The fourth proportional to 66,229.33, 99,348.87 and 19,484.23 is: 29,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,229.33 : 99,348.87 = 19,484.23 : x
  2. Step 2: Convert to fraction form
    66,229.33/99,348.87 = 19,484.23/x
  3. Step 3: Cross multiply
    66,229.33x = 99,348.87 × 19,484.23
  4. Step 4: Simplify right side
    66,229.33x = 1,935,736,233.32
  5. Step 5: Solve for x
    x = 1,935,736,233.32/66,229.33
  6. Step 6: Final answer
    x = 29,227.78

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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.