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Finding the Fourth Proportional to 27,472.48, 41,211.72 and 8,748.11

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Solution

The fourth proportional to 27,472.48, 41,211.72 and 8,748.11 is: 13,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,472.48 : 41,211.72 = 8,748.11 : x
  2. Step 2: Convert to fraction form
    27,472.48/41,211.72 = 8,748.11/x
  3. Step 3: Cross multiply
    27,472.48x = 41,211.72 × 8,748.11
  4. Step 4: Simplify right side
    27,472.48x = 360,524,762.88
  5. Step 5: Solve for x
    x = 360,524,762.88/27,472.48
  6. Step 6: Final answer
    x = 13,123.13

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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.