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Finding the Fourth Proportional to 3,393.52, 5,092.45 and 1,445.74

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Solution

The fourth proportional to 3,393.52, 5,092.45 and 1,445.74 is: 2,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.52 : 5,092.45 = 1,445.74 : x
  2. Step 2: Convert to fraction form
    3,393.52/5,092.45 = 1,445.74/x
  3. Step 3: Cross multiply
    3,393.52x = 5,092.45 × 1,445.74
  4. Step 4: Simplify right side
    3,393.52x = 7,362,358.66
  5. Step 5: Solve for x
    x = 7,362,358.66/3,393.52
  6. Step 6: Final answer
    x = 2,169.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.