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Finding the Fourth Proportional to 29,507.39, 40,721.55 and 17,408.33

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Solution

The fourth proportional to 29,507.39, 40,721.55 and 17,408.33 is: 24,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.39 : 40,721.55 = 17,408.33 : x
  2. Step 2: Convert to fraction form
    29,507.39/40,721.55 = 17,408.33/x
  3. Step 3: Cross multiply
    29,507.39x = 40,721.55 × 17,408.33
  4. Step 4: Simplify right side
    29,507.39x = 708,894,217.03
  5. Step 5: Solve for x
    x = 708,894,217.03/29,507.39
  6. Step 6: Final answer
    x = 24,024.29

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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.