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Finding the Fourth Proportional to 29,251.61, 40,367.22 and 16,507.49

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Solution

The fourth proportional to 29,251.61, 40,367.22 and 16,507.49 is: 22,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,251.61 : 40,367.22 = 16,507.49 : x
  2. Step 2: Convert to fraction form
    29,251.61/40,367.22 = 16,507.49/x
  3. Step 3: Cross multiply
    29,251.61x = 40,367.22 × 16,507.49
  4. Step 4: Simplify right side
    29,251.61x = 666,361,480.48
  5. Step 5: Solve for x
    x = 666,361,480.48/29,251.61
  6. Step 6: Final answer
    x = 22,780.34

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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.