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Finding the Fourth Proportional to 29,169.66, 40,260 and 24,128.64

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Solution

The fourth proportional to 29,169.66, 40,260 and 24,128.64 is: 33,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169.66 : 40,260 = 24,128.64 : x
  2. Step 2: Convert to fraction form
    29,169.66/40,260 = 24,128.64/x
  3. Step 3: Cross multiply
    29,169.66x = 40,260 × 24,128.64
  4. Step 4: Simplify right side
    29,169.66x = 971,419,046.40
  5. Step 5: Solve for x
    x = 971,419,046.40/29,169.66
  6. Step 6: Final answer
    x = 33,302.38

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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.