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Finding the Fourth Proportional to 29,117.80, 40,180.82 and 17,184.88

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Solution

The fourth proportional to 29,117.80, 40,180.82 and 17,184.88 is: 23,714.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.80 : 40,180.82 = 17,184.88 : x
  2. Step 2: Convert to fraction form
    29,117.80/40,180.82 = 17,184.88/x
  3. Step 3: Cross multiply
    29,117.80x = 40,180.82 × 17,184.88
  4. Step 4: Simplify right side
    29,117.80x = 690,502,570.00
  5. Step 5: Solve for x
    x = 690,502,570.00/29,117.80
  6. Step 6: Final answer
    x = 23,714.11

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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.