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Finding the Fourth Proportional to 29,507.25, 40,720.17 and 17,571.09

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Solution

The fourth proportional to 29,507.25, 40,720.17 and 17,571.09 is: 24,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.25 : 40,720.17 = 17,571.09 : x
  2. Step 2: Convert to fraction form
    29,507.25/40,720.17 = 17,571.09/x
  3. Step 3: Cross multiply
    29,507.25x = 40,720.17 × 17,571.09
  4. Step 4: Simplify right side
    29,507.25x = 715,497,771.89
  5. Step 5: Solve for x
    x = 715,497,771.89/29,507.25
  6. Step 6: Final answer
    x = 24,248.20

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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.