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Finding the Fourth Proportional to 29,394.36, 40,555.98 and 27,916.92

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Solution

The fourth proportional to 29,394.36, 40,555.98 and 27,916.92 is: 38,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,394.36 : 40,555.98 = 27,916.92 : x
  2. Step 2: Convert to fraction form
    29,394.36/40,555.98 = 27,916.92/x
  3. Step 3: Cross multiply
    29,394.36x = 40,555.98 × 27,916.92
  4. Step 4: Simplify right side
    29,394.36x = 1,132,198,049.18
  5. Step 5: Solve for x
    x = 1,132,198,049.18/29,394.36
  6. Step 6: Final answer
    x = 38,517.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.