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Finding the Fourth Proportional to 1,324.02, 1,827.14 and 726.52

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Solution

The fourth proportional to 1,324.02, 1,827.14 and 726.52 is: 1,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.02 : 1,827.14 = 726.52 : x
  2. Step 2: Convert to fraction form
    1,324.02/1,827.14 = 726.52/x
  3. Step 3: Cross multiply
    1,324.02x = 1,827.14 × 726.52
  4. Step 4: Simplify right side
    1,324.02x = 1,327,453.75
  5. Step 5: Solve for x
    x = 1,327,453.75/1,324.02
  6. Step 6: Final answer
    x = 1,002.59

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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.