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Finding the Fourth Proportional to 3,432.80, 4,763.18 and 3,294

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Solution

The fourth proportional to 3,432.80, 4,763.18 and 3,294 is: 4,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.80 : 4,763.18 = 3,294 : x
  2. Step 2: Convert to fraction form
    3,432.80/4,763.18 = 3,294/x
  3. Step 3: Cross multiply
    3,432.80x = 4,763.18 × 3,294
  4. Step 4: Simplify right side
    3,432.80x = 15,689,923.16
  5. Step 5: Solve for x
    x = 15,689,923.16/3,432.80
  6. Step 6: Final answer
    x = 4,570.59

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.