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Finding the Fourth Proportional to 17,551.80, 24,268.14 and 15,337.46

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Solution

The fourth proportional to 17,551.80, 24,268.14 and 15,337.46 is: 21,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551.80 : 24,268.14 = 15,337.46 : x
  2. Step 2: Convert to fraction form
    17,551.80/24,268.14 = 15,337.46/x
  3. Step 3: Cross multiply
    17,551.80x = 24,268.14 × 15,337.46
  4. Step 4: Simplify right side
    17,551.80x = 372,211,687.19
  5. Step 5: Solve for x
    x = 372,211,687.19/17,551.80
  6. Step 6: Final answer
    x = 21,206.47

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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.