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Finding the Fourth Proportional to 7,498.97, 10,356.62 and 6,674.39

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Solution

The fourth proportional to 7,498.97, 10,356.62 and 6,674.39 is: 9,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.97 : 10,356.62 = 6,674.39 : x
  2. Step 2: Convert to fraction form
    7,498.97/10,356.62 = 6,674.39/x
  3. Step 3: Cross multiply
    7,498.97x = 10,356.62 × 6,674.39
  4. Step 4: Simplify right side
    7,498.97x = 69,124,120.96
  5. Step 5: Solve for x
    x = 69,124,120.96/7,498.97
  6. Step 6: Final answer
    x = 9,217.82

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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.