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Finding the Fourth Proportional to 7,793.31, 10,755 and 4,256.58

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Solution

The fourth proportional to 7,793.31, 10,755 and 4,256.58 is: 5,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.31 : 10,755 = 4,256.58 : x
  2. Step 2: Convert to fraction form
    7,793.31/10,755 = 4,256.58/x
  3. Step 3: Cross multiply
    7,793.31x = 10,755 × 4,256.58
  4. Step 4: Simplify right side
    7,793.31x = 45,779,517.90
  5. Step 5: Solve for x
    x = 45,779,517.90/7,793.31
  6. Step 6: Final answer
    x = 5,874.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.