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Finding the Fourth Proportional to 26,491.34, 39,737.03 and 6,769.91

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Solution

The fourth proportional to 26,491.34, 39,737.03 and 6,769.91 is: 10,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.34 : 39,737.03 = 6,769.91 : x
  2. Step 2: Convert to fraction form
    26,491.34/39,737.03 = 6,769.91/x
  3. Step 3: Cross multiply
    26,491.34x = 39,737.03 × 6,769.91
  4. Step 4: Simplify right side
    26,491.34x = 269,016,182.26
  5. Step 5: Solve for x
    x = 269,016,182.26/26,491.34
  6. Step 6: Final answer
    x = 10,154.87

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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.