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Finding the Fourth Proportional to 5,959.86, 8,939.79 and 2,672.88

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Solution

The fourth proportional to 5,959.86, 8,939.79 and 2,672.88 is: 4,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959.86 : 8,939.79 = 2,672.88 : x
  2. Step 2: Convert to fraction form
    5,959.86/8,939.79 = 2,672.88/x
  3. Step 3: Cross multiply
    5,959.86x = 8,939.79 × 2,672.88
  4. Step 4: Simplify right side
    5,959.86x = 23,894,985.90
  5. Step 5: Solve for x
    x = 23,894,985.90/5,959.86
  6. Step 6: Final answer
    x = 4,009.32

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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.