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Finding the Fourth Proportional to 3,842.25, 5,762.09 and 1,501.65

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Solution

The fourth proportional to 3,842.25, 5,762.09 and 1,501.65 is: 2,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.25 : 5,762.09 = 1,501.65 : x
  2. Step 2: Convert to fraction form
    3,842.25/5,762.09 = 1,501.65/x
  3. Step 3: Cross multiply
    3,842.25x = 5,762.09 × 1,501.65
  4. Step 4: Simplify right side
    3,842.25x = 8,652,642.45
  5. Step 5: Solve for x
    x = 8,652,642.45/3,842.25
  6. Step 6: Final answer
    x = 2,251.97

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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.