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Finding the Fourth Proportional to 3,894.04, 5,842.88 and 1,702.48

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Solution

The fourth proportional to 3,894.04, 5,842.88 and 1,702.48 is: 2,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.04 : 5,842.88 = 1,702.48 : x
  2. Step 2: Convert to fraction form
    3,894.04/5,842.88 = 1,702.48/x
  3. Step 3: Cross multiply
    3,894.04x = 5,842.88 × 1,702.48
  4. Step 4: Simplify right side
    3,894.04x = 9,947,391.52
  5. Step 5: Solve for x
    x = 9,947,391.52/3,894.04
  6. Step 6: Final answer
    x = 2,554.52

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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.