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Finding the Fourth Proportional to 3,560.96, 5,341.71 and 963.86

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Solution

The fourth proportional to 3,560.96, 5,341.71 and 963.86 is: 1,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.96 : 5,341.71 = 963.86 : x
  2. Step 2: Convert to fraction form
    3,560.96/5,341.71 = 963.86/x
  3. Step 3: Cross multiply
    3,560.96x = 5,341.71 × 963.86
  4. Step 4: Simplify right side
    3,560.96x = 5,148,660.60
  5. Step 5: Solve for x
    x = 5,148,660.60/3,560.96
  6. Step 6: Final answer
    x = 1,445.86

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1.5x scale

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.