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Finding the Fourth Proportional to 4,976.72, 7,448.66 and 2,752.13

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Solution

The fourth proportional to 4,976.72, 7,448.66 and 2,752.13 is: 4,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.72 : 7,448.66 = 2,752.13 : x
  2. Step 2: Convert to fraction form
    4,976.72/7,448.66 = 2,752.13/x
  3. Step 3: Cross multiply
    4,976.72x = 7,448.66 × 2,752.13
  4. Step 4: Simplify right side
    4,976.72x = 20,499,680.65
  5. Step 5: Solve for x
    x = 20,499,680.65/4,976.72
  6. Step 6: Final answer
    x = 4,119.11

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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.