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Finding the Fourth Proportional to 29,347.75, 40,493.98 and 18,596.82

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Solution

The fourth proportional to 29,347.75, 40,493.98 and 18,596.82 is: 25,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,347.75 : 40,493.98 = 18,596.82 : x
  2. Step 2: Convert to fraction form
    29,347.75/40,493.98 = 18,596.82/x
  3. Step 3: Cross multiply
    29,347.75x = 40,493.98 × 18,596.82
  4. Step 4: Simplify right side
    29,347.75x = 753,059,204.46
  5. Step 5: Solve for x
    x = 753,059,204.46/29,347.75
  6. Step 6: Final answer
    x = 25,659.87

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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.