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Finding the Fourth Proportional to 4,978.73, 6,870.98 and 3,297.22

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Solution

The fourth proportional to 4,978.73, 6,870.98 and 3,297.22 is: 4,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978.73 : 6,870.98 = 3,297.22 : x
  2. Step 2: Convert to fraction form
    4,978.73/6,870.98 = 3,297.22/x
  3. Step 3: Cross multiply
    4,978.73x = 6,870.98 × 3,297.22
  4. Step 4: Simplify right side
    4,978.73x = 22,655,132.68
  5. Step 5: Solve for x
    x = 22,655,132.68/4,978.73
  6. Step 6: Final answer
    x = 4,550.38

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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.