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Finding the Fourth Proportional to 33,154.31, 45,752.95 and 18,250.31

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Solution

The fourth proportional to 33,154.31, 45,752.95 and 18,250.31 is: 25,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,154.31 : 45,752.95 = 18,250.31 : x
  2. Step 2: Convert to fraction form
    33,154.31/45,752.95 = 18,250.31/x
  3. Step 3: Cross multiply
    33,154.31x = 45,752.95 × 18,250.31
  4. Step 4: Simplify right side
    33,154.31x = 835,005,658.11
  5. Step 5: Solve for x
    x = 835,005,658.11/33,154.31
  6. Step 6: Final answer
    x = 25,185.43

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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.