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Finding the Fourth Proportional to 9,162.48, 13,747.05 and 3,898.92

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Solution

The fourth proportional to 9,162.48, 13,747.05 and 3,898.92 is: 5,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.48 : 13,747.05 = 3,898.92 : x
  2. Step 2: Convert to fraction form
    9,162.48/13,747.05 = 3,898.92/x
  3. Step 3: Cross multiply
    9,162.48x = 13,747.05 × 3,898.92
  4. Step 4: Simplify right side
    9,162.48x = 53,598,648.19
  5. Step 5: Solve for x
    x = 53,598,648.19/9,162.48
  6. Step 6: Final answer
    x = 5,849.80

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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.