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Finding the Fourth Proportional to 4,993.60, 6,888.72 and 3,226.72

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Solution

The fourth proportional to 4,993.60, 6,888.72 and 3,226.72 is: 4,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.60 : 6,888.72 = 3,226.72 : x
  2. Step 2: Convert to fraction form
    4,993.60/6,888.72 = 3,226.72/x
  3. Step 3: Cross multiply
    4,993.60x = 6,888.72 × 3,226.72
  4. Step 4: Simplify right side
    4,993.60x = 22,227,970.60
  5. Step 5: Solve for x
    x = 22,227,970.60/4,993.60
  6. Step 6: Final answer
    x = 4,451.29

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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.