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Finding the Fourth Proportional to 7,067.88, 10,602.12 and 2,387.48

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Solution

The fourth proportional to 7,067.88, 10,602.12 and 2,387.48 is: 3,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.88 : 10,602.12 = 2,387.48 : x
  2. Step 2: Convert to fraction form
    7,067.88/10,602.12 = 2,387.48/x
  3. Step 3: Cross multiply
    7,067.88x = 10,602.12 × 2,387.48
  4. Step 4: Simplify right side
    7,067.88x = 25,312,296.45
  5. Step 5: Solve for x
    x = 25,312,296.45/7,067.88
  6. Step 6: Final answer
    x = 3,581.31

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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.