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Finding the Fourth Proportional to 29,117.84, 40,186.92 and 17,793.84

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Solution

The fourth proportional to 29,117.84, 40,186.92 and 17,793.84 is: 24,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.84 : 40,186.92 = 17,793.84 : x
  2. Step 2: Convert to fraction form
    29,117.84/40,186.92 = 17,793.84/x
  3. Step 3: Cross multiply
    29,117.84x = 40,186.92 × 17,793.84
  4. Step 4: Simplify right side
    29,117.84x = 715,079,624.57
  5. Step 5: Solve for x
    x = 715,079,624.57/29,117.84
  6. Step 6: Final answer
    x = 24,558.13

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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.