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Finding the Fourth Proportional to 8,788.32, 13,179.90 and 3,523.32

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Solution

The fourth proportional to 8,788.32, 13,179.90 and 3,523.32 is: 5,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.32 : 13,179.90 = 3,523.32 : x
  2. Step 2: Convert to fraction form
    8,788.32/13,179.90 = 3,523.32/x
  3. Step 3: Cross multiply
    8,788.32x = 13,179.90 × 3,523.32
  4. Step 4: Simplify right side
    8,788.32x = 46,437,005.27
  5. Step 5: Solve for x
    x = 46,437,005.27/8,788.32
  6. Step 6: Final answer
    x = 5,283.95

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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.