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Finding the Fourth Proportional to 6,327.68, 8,732.45 and 3,495.20

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Solution

The fourth proportional to 6,327.68, 8,732.45 and 3,495.20 is: 4,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.68 : 8,732.45 = 3,495.20 : x
  2. Step 2: Convert to fraction form
    6,327.68/8,732.45 = 3,495.20/x
  3. Step 3: Cross multiply
    6,327.68x = 8,732.45 × 3,495.20
  4. Step 4: Simplify right side
    6,327.68x = 30,521,641.76
  5. Step 5: Solve for x
    x = 30,521,641.76/6,327.68
  6. Step 6: Final answer
    x = 4,823.51

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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.