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Finding the Fourth Proportional to 8,315.88, 12,473.49 and 2,472.33

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Solution

The fourth proportional to 8,315.88, 12,473.49 and 2,472.33 is: 3,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.88 : 12,473.49 = 2,472.33 : x
  2. Step 2: Convert to fraction form
    8,315.88/12,473.49 = 2,472.33/x
  3. Step 3: Cross multiply
    8,315.88x = 12,473.49 × 2,472.33
  4. Step 4: Simplify right side
    8,315.88x = 30,838,583.53
  5. Step 5: Solve for x
    x = 30,838,583.53/8,315.88
  6. Step 6: Final answer
    x = 3,708.40

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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.