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Finding the Fourth Proportional to 1,625.54, 2,439.59 and 932.85

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Solution

The fourth proportional to 1,625.54, 2,439.59 and 932.85 is: 1,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.54 : 2,439.59 = 932.85 : x
  2. Step 2: Convert to fraction form
    1,625.54/2,439.59 = 932.85/x
  3. Step 3: Cross multiply
    1,625.54x = 2,439.59 × 932.85
  4. Step 4: Simplify right side
    1,625.54x = 2,275,766.87
  5. Step 5: Solve for x
    x = 2,275,766.87/1,625.54
  6. Step 6: Final answer
    x = 1,400.01

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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.