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Finding the Fourth Proportional to 2,043.40, 3,060.06 and 1,679.08

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Solution

The fourth proportional to 2,043.40, 3,060.06 and 1,679.08 is: 2,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.40 : 3,060.06 = 1,679.08 : x
  2. Step 2: Convert to fraction form
    2,043.40/3,060.06 = 1,679.08/x
  3. Step 3: Cross multiply
    2,043.40x = 3,060.06 × 1,679.08
  4. Step 4: Simplify right side
    2,043.40x = 5,138,085.54
  5. Step 5: Solve for x
    x = 5,138,085.54/2,043.40
  6. Step 6: Final answer
    x = 2,514.48

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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.