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Finding the Fourth Proportional to 5,089.85, 6,959.87 and 5,089.85

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Solution

The fourth proportional to 5,089.85, 6,959.87 and 5,089.85 is: 6,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.85 : 6,959.87 = 5,089.85 : x
  2. Step 2: Convert to fraction form
    5,089.85/6,959.87 = 5,089.85/x
  3. Step 3: Cross multiply
    5,089.85x = 6,959.87 × 5,089.85
  4. Step 4: Simplify right side
    5,089.85x = 35,424,634.07
  5. Step 5: Solve for x
    x = 35,424,634.07/5,089.85
  6. Step 6: Final answer
    x = 6,959.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.