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Finding the Fourth Proportional to 4,993.65, 7,490.48 and 2,072.18

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Solution

The fourth proportional to 4,993.65, 7,490.48 and 2,072.18 is: 3,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.65 : 7,490.48 = 2,072.18 : x
  2. Step 2: Convert to fraction form
    4,993.65/7,490.48 = 2,072.18/x
  3. Step 3: Cross multiply
    4,993.65x = 7,490.48 × 2,072.18
  4. Step 4: Simplify right side
    4,993.65x = 15,521,631.21
  5. Step 5: Solve for x
    x = 15,521,631.21/4,993.65
  6. Step 6: Final answer
    x = 3,108.27

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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.