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Finding the Fourth Proportional to 29,017.25, 40,040.77 and 17,079.87

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Solution

The fourth proportional to 29,017.25, 40,040.77 and 17,079.87 is: 23,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,017.25 : 40,040.77 = 17,079.87 : x
  2. Step 2: Convert to fraction form
    29,017.25/40,040.77 = 17,079.87/x
  3. Step 3: Cross multiply
    29,017.25x = 40,040.77 × 17,079.87
  4. Step 4: Simplify right side
    29,017.25x = 683,891,146.30
  5. Step 5: Solve for x
    x = 683,891,146.30/29,017.25
  6. Step 6: Final answer
    x = 23,568.43

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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.