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Finding the Fourth Proportional to 7,067.42, 9,753.20 and 4,001.02

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Solution

The fourth proportional to 7,067.42, 9,753.20 and 4,001.02 is: 5,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.42 : 9,753.20 = 4,001.02 : x
  2. Step 2: Convert to fraction form
    7,067.42/9,753.20 = 4,001.02/x
  3. Step 3: Cross multiply
    7,067.42x = 9,753.20 × 4,001.02
  4. Step 4: Simplify right side
    7,067.42x = 39,022,748.26
  5. Step 5: Solve for x
    x = 39,022,748.26/7,067.42
  6. Step 6: Final answer
    x = 5,521.50

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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.