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Finding the Fourth Proportional to 3,323.69, 4,984.02 and 1,242.17

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Solution

The fourth proportional to 3,323.69, 4,984.02 and 1,242.17 is: 1,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.69 : 4,984.02 = 1,242.17 : x
  2. Step 2: Convert to fraction form
    3,323.69/4,984.02 = 1,242.17/x
  3. Step 3: Cross multiply
    3,323.69x = 4,984.02 × 1,242.17
  4. Step 4: Simplify right side
    3,323.69x = 6,191,000.12
  5. Step 5: Solve for x
    x = 6,191,000.12/3,323.69
  6. Step 6: Final answer
    x = 1,862.69

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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.