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Finding the Fourth Proportional to 5,079.51, 7,600.80 and 4,193.78

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Solution

The fourth proportional to 5,079.51, 7,600.80 and 4,193.78 is: 6,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.51 : 7,600.80 = 4,193.78 : x
  2. Step 2: Convert to fraction form
    5,079.51/7,600.80 = 4,193.78/x
  3. Step 3: Cross multiply
    5,079.51x = 7,600.80 × 4,193.78
  4. Step 4: Simplify right side
    5,079.51x = 31,876,045.02
  5. Step 5: Solve for x
    x = 31,876,045.02/5,079.51
  6. Step 6: Final answer
    x = 6,275.42

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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.