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Finding the Fourth Proportional to 6,376.74, 8,797.86 and 5,195.76

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Solution

The fourth proportional to 6,376.74, 8,797.86 and 5,195.76 is: 7,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.74 : 8,797.86 = 5,195.76 : x
  2. Step 2: Convert to fraction form
    6,376.74/8,797.86 = 5,195.76/x
  3. Step 3: Cross multiply
    6,376.74x = 8,797.86 × 5,195.76
  4. Step 4: Simplify right side
    6,376.74x = 45,711,569.07
  5. Step 5: Solve for x
    x = 45,711,569.07/6,376.74
  6. Step 6: Final answer
    x = 7,168.49

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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.