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Finding the Fourth Proportional to 6,802.74, 10,152.36 and 6,627.78

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Solution

The fourth proportional to 6,802.74, 10,152.36 and 6,627.78 is: 9,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.74 : 10,152.36 = 6,627.78 : x
  2. Step 2: Convert to fraction form
    6,802.74/10,152.36 = 6,627.78/x
  3. Step 3: Cross multiply
    6,802.74x = 10,152.36 × 6,627.78
  4. Step 4: Simplify right side
    6,802.74x = 67,287,608.56
  5. Step 5: Solve for x
    x = 67,287,608.56/6,802.74
  6. Step 6: Final answer
    x = 9,891.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.