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Finding the Fourth Proportional to 33,149.03, 45,734.12 and 18,807.17

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Solution

The fourth proportional to 33,149.03, 45,734.12 and 18,807.17 is: 25,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,149.03 : 45,734.12 = 18,807.17 : x
  2. Step 2: Convert to fraction form
    33,149.03/45,734.12 = 18,807.17/x
  3. Step 3: Cross multiply
    33,149.03x = 45,734.12 × 18,807.17
  4. Step 4: Simplify right side
    33,149.03x = 860,129,369.64
  5. Step 5: Solve for x
    x = 860,129,369.64/33,149.03
  6. Step 6: Final answer
    x = 25,947.35

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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.