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Finding the Fourth Proportional to 4,839.41, 7,259.12 and 1,761.65

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Solution

The fourth proportional to 4,839.41, 7,259.12 and 1,761.65 is: 2,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.41 : 7,259.12 = 1,761.65 : x
  2. Step 2: Convert to fraction form
    4,839.41/7,259.12 = 1,761.65/x
  3. Step 3: Cross multiply
    4,839.41x = 7,259.12 × 1,761.65
  4. Step 4: Simplify right side
    4,839.41x = 12,788,019.94
  5. Step 5: Solve for x
    x = 12,788,019.94/4,839.41
  6. Step 6: Final answer
    x = 2,642.48

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Similar ratio
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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.