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Finding the Fourth Proportional to 69,447.66, 104,171.42 and 19,532.76

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Solution

The fourth proportional to 69,447.66, 104,171.42 and 19,532.76 is: 29,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,447.66 : 104,171.42 = 19,532.76 : x
  2. Step 2: Convert to fraction form
    69,447.66/104,171.42 = 19,532.76/x
  3. Step 3: Cross multiply
    69,447.66x = 104,171.42 × 19,532.76
  4. Step 4: Simplify right side
    69,447.66x = 2,034,755,248.06
  5. Step 5: Solve for x
    x = 2,034,755,248.06/69,447.66
  6. Step 6: Final answer
    x = 29,299.12

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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.