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Finding the Fourth Proportional to 1,324.52, 1,830.02 and 1,158.92

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Solution

The fourth proportional to 1,324.52, 1,830.02 and 1,158.92 is: 1,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.52 : 1,830.02 = 1,158.92 : x
  2. Step 2: Convert to fraction form
    1,324.52/1,830.02 = 1,158.92/x
  3. Step 3: Cross multiply
    1,324.52x = 1,830.02 × 1,158.92
  4. Step 4: Simplify right side
    1,324.52x = 2,120,846.78
  5. Step 5: Solve for x
    x = 2,120,846.78/1,324.52
  6. Step 6: Final answer
    x = 1,601.22

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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.