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Finding the Fourth Proportional to 2,497.86, 3,446.91 and 1,434.88

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Solution

The fourth proportional to 2,497.86, 3,446.91 and 1,434.88 is: 1,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.86 : 3,446.91 = 1,434.88 : x
  2. Step 2: Convert to fraction form
    2,497.86/3,446.91 = 1,434.88/x
  3. Step 3: Cross multiply
    2,497.86x = 3,446.91 × 1,434.88
  4. Step 4: Simplify right side
    2,497.86x = 4,945,902.22
  5. Step 5: Solve for x
    x = 4,945,902.22/2,497.86
  6. Step 6: Final answer
    x = 1,980.06

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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.