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Finding the Fourth Proportional to 2,932, 4,394.72 and 1,763.52

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Solution

The fourth proportional to 2,932, 4,394.72 and 1,763.52 is: 2,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932 : 4,394.72 = 1,763.52 : x
  2. Step 2: Convert to fraction form
    2,932/4,394.72 = 1,763.52/x
  3. Step 3: Cross multiply
    2,932x = 4,394.72 × 1,763.52
  4. Step 4: Simplify right side
    2,932x = 7,750,176.61
  5. Step 5: Solve for x
    x = 7,750,176.61/2,932
  6. Step 6: Final answer
    x = 2,643.31

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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.