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Finding the Fourth Proportional to 17,701.56, 24,432.08 and 13,865.56

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Solution

The fourth proportional to 17,701.56, 24,432.08 and 13,865.56 is: 19,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701.56 : 24,432.08 = 13,865.56 : x
  2. Step 2: Convert to fraction form
    17,701.56/24,432.08 = 13,865.56/x
  3. Step 3: Cross multiply
    17,701.56x = 24,432.08 × 13,865.56
  4. Step 4: Simplify right side
    17,701.56x = 338,764,471.16
  5. Step 5: Solve for x
    x = 338,764,471.16/17,701.56
  6. Step 6: Final answer
    x = 19,137.55

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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.