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Finding the Fourth Proportional to 26,491.86, 39,737.79 and 8,952.12

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Solution

The fourth proportional to 26,491.86, 39,737.79 and 8,952.12 is: 13,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.86 : 39,737.79 = 8,952.12 : x
  2. Step 2: Convert to fraction form
    26,491.86/39,737.79 = 8,952.12/x
  3. Step 3: Cross multiply
    26,491.86x = 39,737.79 × 8,952.12
  4. Step 4: Simplify right side
    26,491.86x = 355,737,464.61
  5. Step 5: Solve for x
    x = 355,737,464.61/26,491.86
  6. Step 6: Final answer
    x = 13,428.18

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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.