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Finding the Fourth Proportional to 26,469.72, 39,711.47 and 9,834.55

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Solution

The fourth proportional to 26,469.72, 39,711.47 and 9,834.55 is: 14,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.72 : 39,711.47 = 9,834.55 : x
  2. Step 2: Convert to fraction form
    26,469.72/39,711.47 = 9,834.55/x
  3. Step 3: Cross multiply
    26,469.72x = 39,711.47 × 9,834.55
  4. Step 4: Simplify right side
    26,469.72x = 390,544,288.84
  5. Step 5: Solve for x
    x = 390,544,288.84/26,469.72
  6. Step 6: Final answer
    x = 14,754.38

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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.