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Finding the Fourth Proportional to 34,494.57, 51,728.90 and 12,301.92

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Solution

The fourth proportional to 34,494.57, 51,728.90 and 12,301.92 is: 18,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,494.57 : 51,728.90 = 12,301.92 : x
  2. Step 2: Convert to fraction form
    34,494.57/51,728.90 = 12,301.92/x
  3. Step 3: Cross multiply
    34,494.57x = 51,728.90 × 12,301.92
  4. Step 4: Simplify right side
    34,494.57x = 636,364,727.98
  5. Step 5: Solve for x
    x = 636,364,727.98/34,494.57
  6. Step 6: Final answer
    x = 18,448.26

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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.