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Finding the Fourth Proportional to 2,497.65, 3,446.19 and 1,449.51

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Solution

The fourth proportional to 2,497.65, 3,446.19 and 1,449.51 is: 1,999.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.65 : 3,446.19 = 1,449.51 : x
  2. Step 2: Convert to fraction form
    2,497.65/3,446.19 = 1,449.51/x
  3. Step 3: Cross multiply
    2,497.65x = 3,446.19 × 1,449.51
  4. Step 4: Simplify right side
    2,497.65x = 4,995,286.87
  5. Step 5: Solve for x
    x = 4,995,286.87/2,497.65
  6. Step 6: Final answer
    x = 1,999.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.