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Finding the Fourth Proportional to 2,348.87, 3,242.17 and 1,354.82

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Solution

The fourth proportional to 2,348.87, 3,242.17 and 1,354.82 is: 1,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.87 : 3,242.17 = 1,354.82 : x
  2. Step 2: Convert to fraction form
    2,348.87/3,242.17 = 1,354.82/x
  3. Step 3: Cross multiply
    2,348.87x = 3,242.17 × 1,354.82
  4. Step 4: Simplify right side
    2,348.87x = 4,392,537.16
  5. Step 5: Solve for x
    x = 4,392,537.16/2,348.87
  6. Step 6: Final answer
    x = 1,870.06

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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.