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Finding the Fourth Proportional to 2,992.95, 4,489.16 and 1,045.04

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Solution

The fourth proportional to 2,992.95, 4,489.16 and 1,045.04 is: 1,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.95 : 4,489.16 = 1,045.04 : x
  2. Step 2: Convert to fraction form
    2,992.95/4,489.16 = 1,045.04/x
  3. Step 3: Cross multiply
    2,992.95x = 4,489.16 × 1,045.04
  4. Step 4: Simplify right side
    2,992.95x = 4,691,324.10
  5. Step 5: Solve for x
    x = 4,691,324.10/2,992.95
  6. Step 6: Final answer
    x = 1,567.46

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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.