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Finding the Fourth Proportional to 29,373.44, 40,517.44 and 17,428.80

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Solution

The fourth proportional to 29,373.44, 40,517.44 and 17,428.80 is: 24,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,373.44 : 40,517.44 = 17,428.80 : x
  2. Step 2: Convert to fraction form
    29,373.44/40,517.44 = 17,428.80/x
  3. Step 3: Cross multiply
    29,373.44x = 40,517.44 × 17,428.80
  4. Step 4: Simplify right side
    29,373.44x = 706,170,358.27
  5. Step 5: Solve for x
    x = 706,170,358.27/29,373.44
  6. Step 6: Final answer
    x = 24,041.12

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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.