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Finding the Fourth Proportional to 2,992.07, 4,488.11 and 1,017.90

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Solution

The fourth proportional to 2,992.07, 4,488.11 and 1,017.90 is: 1,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.07 : 4,488.11 = 1,017.90 : x
  2. Step 2: Convert to fraction form
    2,992.07/4,488.11 = 1,017.90/x
  3. Step 3: Cross multiply
    2,992.07x = 4,488.11 × 1,017.90
  4. Step 4: Simplify right side
    2,992.07x = 4,568,445.90
  5. Step 5: Solve for x
    x = 4,568,445.90/2,992.07
  6. Step 6: Final answer
    x = 1,526.85

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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.