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Finding the Fourth Proportional to 17,374.80, 26,023.80 and 13,448.40

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Solution

The fourth proportional to 17,374.80, 26,023.80 and 13,448.40 is: 20,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.80 : 26,023.80 = 13,448.40 : x
  2. Step 2: Convert to fraction form
    17,374.80/26,023.80 = 13,448.40/x
  3. Step 3: Cross multiply
    17,374.80x = 26,023.80 × 13,448.40
  4. Step 4: Simplify right side
    17,374.80x = 349,978,471.92
  5. Step 5: Solve for x
    x = 349,978,471.92/17,374.80
  6. Step 6: Final answer
    x = 20,142.88

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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.