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Finding the Fourth Proportional to 6,954.66, 9,591.36 and 6,919.58

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Solution

The fourth proportional to 6,954.66, 9,591.36 and 6,919.58 is: 9,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,954.66 : 9,591.36 = 6,919.58 : x
  2. Step 2: Convert to fraction form
    6,954.66/9,591.36 = 6,919.58/x
  3. Step 3: Cross multiply
    6,954.66x = 9,591.36 × 6,919.58
  4. Step 4: Simplify right side
    6,954.66x = 66,368,165.83
  5. Step 5: Solve for x
    x = 66,368,165.83/6,954.66
  6. Step 6: Final answer
    x = 9,542.98

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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.