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Finding the Fourth Proportional to 57,067.52, 85,601.04 and 15,514.40

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Solution

The fourth proportional to 57,067.52, 85,601.04 and 15,514.40 is: 23,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,067.52 : 85,601.04 = 15,514.40 : x
  2. Step 2: Convert to fraction form
    57,067.52/85,601.04 = 15,514.40/x
  3. Step 3: Cross multiply
    57,067.52x = 85,601.04 × 15,514.40
  4. Step 4: Simplify right side
    57,067.52x = 1,328,048,774.98
  5. Step 5: Solve for x
    x = 1,328,048,774.98/57,067.52
  6. Step 6: Final answer
    x = 23,271.53

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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.