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Finding the Fourth Proportional to 1,695.33, 2,542.68 and 992.16

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Solution

The fourth proportional to 1,695.33, 2,542.68 and 992.16 is: 1,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.33 : 2,542.68 = 992.16 : x
  2. Step 2: Convert to fraction form
    1,695.33/2,542.68 = 992.16/x
  3. Step 3: Cross multiply
    1,695.33x = 2,542.68 × 992.16
  4. Step 4: Simplify right side
    1,695.33x = 2,522,745.39
  5. Step 5: Solve for x
    x = 2,522,745.39/1,695.33
  6. Step 6: Final answer
    x = 1,488.06

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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.