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Finding the Fourth Proportional to 13,751.57, 20,624.05 and 6,348.92

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Solution

The fourth proportional to 13,751.57, 20,624.05 and 6,348.92 is: 9,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.57 : 20,624.05 = 6,348.92 : x
  2. Step 2: Convert to fraction form
    13,751.57/20,624.05 = 6,348.92/x
  3. Step 3: Cross multiply
    13,751.57x = 20,624.05 × 6,348.92
  4. Step 4: Simplify right side
    13,751.57x = 130,940,308.66
  5. Step 5: Solve for x
    x = 130,940,308.66/13,751.57
  6. Step 6: Final answer
    x = 9,521.84

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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.