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Finding the Fourth Proportional to 5,731.38, 8,605.08 and 2,960.08

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Solution

The fourth proportional to 5,731.38, 8,605.08 and 2,960.08 is: 4,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.38 : 8,605.08 = 2,960.08 : x
  2. Step 2: Convert to fraction form
    5,731.38/8,605.08 = 2,960.08/x
  3. Step 3: Cross multiply
    5,731.38x = 8,605.08 × 2,960.08
  4. Step 4: Simplify right side
    5,731.38x = 25,471,703.69
  5. Step 5: Solve for x
    x = 25,471,703.69/5,731.38
  6. Step 6: Final answer
    x = 4,444.25

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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.