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Finding the Fourth Proportional to 8,315.44, 12,472.88 and 2,472.08

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Solution

The fourth proportional to 8,315.44, 12,472.88 and 2,472.08 is: 3,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.44 : 12,472.88 = 2,472.08 : x
  2. Step 2: Convert to fraction form
    8,315.44/12,472.88 = 2,472.08/x
  3. Step 3: Cross multiply
    8,315.44x = 12,472.88 × 2,472.08
  4. Step 4: Simplify right side
    8,315.44x = 30,833,957.19
  5. Step 5: Solve for x
    x = 30,833,957.19/8,315.44
  6. Step 6: Final answer
    x = 3,708.04

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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.