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Finding the Fourth Proportional to 6,959.76, 9,598.86 and 6,118.68

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Solution

The fourth proportional to 6,959.76, 9,598.86 and 6,118.68 is: 8,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.76 : 9,598.86 = 6,118.68 : x
  2. Step 2: Convert to fraction form
    6,959.76/9,598.86 = 6,118.68/x
  3. Step 3: Cross multiply
    6,959.76x = 9,598.86 × 6,118.68
  4. Step 4: Simplify right side
    6,959.76x = 58,732,352.70
  5. Step 5: Solve for x
    x = 58,732,352.70/6,959.76
  6. Step 6: Final answer
    x = 8,438.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.