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Finding the Fourth Proportional to 3,067.47, 4,588.47 and 2,091.42

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Solution

The fourth proportional to 3,067.47, 4,588.47 and 2,091.42 is: 3,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.47 : 4,588.47 = 2,091.42 : x
  2. Step 2: Convert to fraction form
    3,067.47/4,588.47 = 2,091.42/x
  3. Step 3: Cross multiply
    3,067.47x = 4,588.47 × 2,091.42
  4. Step 4: Simplify right side
    3,067.47x = 9,596,417.93
  5. Step 5: Solve for x
    x = 9,596,417.93/3,067.47
  6. Step 6: Final answer
    x = 3,128.45

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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.