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Finding the Fourth Proportional to 3,669.29, 5,501.64 and 1,559.90

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Solution

The fourth proportional to 3,669.29, 5,501.64 and 1,559.90 is: 2,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.29 : 5,501.64 = 1,559.90 : x
  2. Step 2: Convert to fraction form
    3,669.29/5,501.64 = 1,559.90/x
  3. Step 3: Cross multiply
    3,669.29x = 5,501.64 × 1,559.90
  4. Step 4: Simplify right side
    3,669.29x = 8,581,980.73
  5. Step 5: Solve for x
    x = 8,581,980.73/3,669.29
  6. Step 6: Final answer
    x = 2,338.87

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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.