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Finding the Fourth Proportional to 3,067.47, 4,601.34 and 876.24

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Solution

The fourth proportional to 3,067.47, 4,601.34 and 876.24 is: 1,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.47 : 4,601.34 = 876.24 : x
  2. Step 2: Convert to fraction form
    3,067.47/4,601.34 = 876.24/x
  3. Step 3: Cross multiply
    3,067.47x = 4,601.34 × 876.24
  4. Step 4: Simplify right side
    3,067.47x = 4,031,878.16
  5. Step 5: Solve for x
    x = 4,031,878.16/3,067.47
  6. Step 6: Final answer
    x = 1,314.40

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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.