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Finding the Fourth Proportional to 5,920.29, 8,869.03 and 3,699.99

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Solution

The fourth proportional to 5,920.29, 8,869.03 and 3,699.99 is: 5,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.29 : 8,869.03 = 3,699.99 : x
  2. Step 2: Convert to fraction form
    5,920.29/8,869.03 = 3,699.99/x
  3. Step 3: Cross multiply
    5,920.29x = 8,869.03 × 3,699.99
  4. Step 4: Simplify right side
    5,920.29x = 32,815,277.96
  5. Step 5: Solve for x
    x = 32,815,277.96/5,920.29
  6. Step 6: Final answer
    x = 5,542.85

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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.