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Finding the Fourth Proportional to 26,574.39, 39,871.71 and 9,941.85

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Solution

The fourth proportional to 26,574.39, 39,871.71 and 9,941.85 is: 14,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,574.39 : 39,871.71 = 9,941.85 : x
  2. Step 2: Convert to fraction form
    26,574.39/39,871.71 = 9,941.85/x
  3. Step 3: Cross multiply
    26,574.39x = 39,871.71 × 9,941.85
  4. Step 4: Simplify right side
    26,574.39x = 396,398,560.06
  5. Step 5: Solve for x
    x = 396,398,560.06/26,574.39
  6. Step 6: Final answer
    x = 14,916.56

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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.