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Finding the Fourth Proportional to 6,868.56, 9,518.52 and 6,737.28

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Solution

The fourth proportional to 6,868.56, 9,518.52 and 6,737.28 is: 9,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.56 : 9,518.52 = 6,737.28 : x
  2. Step 2: Convert to fraction form
    6,868.56/9,518.52 = 6,737.28/x
  3. Step 3: Cross multiply
    6,868.56x = 9,518.52 × 6,737.28
  4. Step 4: Simplify right side
    6,868.56x = 64,128,934.43
  5. Step 5: Solve for x
    x = 64,128,934.43/6,868.56
  6. Step 6: Final answer
    x = 9,336.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.