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Finding the Fourth Proportional to 5,689.48, 8,535.74 and 1,793.96

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Solution

The fourth proportional to 5,689.48, 8,535.74 and 1,793.96 is: 2,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.48 : 8,535.74 = 1,793.96 : x
  2. Step 2: Convert to fraction form
    5,689.48/8,535.74 = 1,793.96/x
  3. Step 3: Cross multiply
    5,689.48x = 8,535.74 × 1,793.96
  4. Step 4: Simplify right side
    5,689.48x = 15,312,776.13
  5. Step 5: Solve for x
    x = 15,312,776.13/5,689.48
  6. Step 6: Final answer
    x = 2,691.42

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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.