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Finding the Fourth Proportional to 4,888.56, 7,328.72 and 3,324.18

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Solution

The fourth proportional to 4,888.56, 7,328.72 and 3,324.18 is: 4,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.56 : 7,328.72 = 3,324.18 : x
  2. Step 2: Convert to fraction form
    4,888.56/7,328.72 = 3,324.18/x
  3. Step 3: Cross multiply
    4,888.56x = 7,328.72 × 3,324.18
  4. Step 4: Simplify right side
    4,888.56x = 24,361,992.76
  5. Step 5: Solve for x
    x = 24,361,992.76/4,888.56
  6. Step 6: Final answer
    x = 4,983.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.