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Finding the Fourth Proportional to 8,494.47, 12,752.24 and 4,799.66

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Solution

The fourth proportional to 8,494.47, 12,752.24 and 4,799.66 is: 7,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.47 : 12,752.24 = 4,799.66 : x
  2. Step 2: Convert to fraction form
    8,494.47/12,752.24 = 4,799.66/x
  3. Step 3: Cross multiply
    8,494.47x = 12,752.24 × 4,799.66
  4. Step 4: Simplify right side
    8,494.47x = 61,206,328.48
  5. Step 5: Solve for x
    x = 61,206,328.48/8,494.47
  6. Step 6: Final answer
    x = 7,205.43

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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.