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Finding the Fourth Proportional to 3,567.89, 4,923.10 and 2,240.65

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Solution

The fourth proportional to 3,567.89, 4,923.10 and 2,240.65 is: 3,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.89 : 4,923.10 = 2,240.65 : x
  2. Step 2: Convert to fraction form
    3,567.89/4,923.10 = 2,240.65/x
  3. Step 3: Cross multiply
    3,567.89x = 4,923.10 × 2,240.65
  4. Step 4: Simplify right side
    3,567.89x = 11,030,944.02
  5. Step 5: Solve for x
    x = 11,030,944.02/3,567.89
  6. Step 6: Final answer
    x = 3,091.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.