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Finding the Fourth Proportional to 16,474.80, 22,708.80 and 12,932.04

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Solution

The fourth proportional to 16,474.80, 22,708.80 and 12,932.04 is: 17,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.80 : 22,708.80 = 12,932.04 : x
  2. Step 2: Convert to fraction form
    16,474.80/22,708.80 = 12,932.04/x
  3. Step 3: Cross multiply
    16,474.80x = 22,708.80 × 12,932.04
  4. Step 4: Simplify right side
    16,474.80x = 293,671,109.95
  5. Step 5: Solve for x
    x = 293,671,109.95/16,474.80
  6. Step 6: Final answer
    x = 17,825.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.