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Finding the Fourth Proportional to 3,253.46, 4,879.65 and 1,061.65

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Solution

The fourth proportional to 3,253.46, 4,879.65 and 1,061.65 is: 1,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.46 : 4,879.65 = 1,061.65 : x
  2. Step 2: Convert to fraction form
    3,253.46/4,879.65 = 1,061.65/x
  3. Step 3: Cross multiply
    3,253.46x = 4,879.65 × 1,061.65
  4. Step 4: Simplify right side
    3,253.46x = 5,180,468.22
  5. Step 5: Solve for x
    x = 5,180,468.22/3,253.46
  6. Step 6: Final answer
    x = 1,592.30

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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.