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Finding the Fourth Proportional to 8,873.75, 13,312.88 and 3,327.11

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Solution

The fourth proportional to 8,873.75, 13,312.88 and 3,327.11 is: 4,991.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.75 : 13,312.88 = 3,327.11 : x
  2. Step 2: Convert to fraction form
    8,873.75/13,312.88 = 3,327.11/x
  3. Step 3: Cross multiply
    8,873.75x = 13,312.88 × 3,327.11
  4. Step 4: Simplify right side
    8,873.75x = 44,293,416.18
  5. Step 5: Solve for x
    x = 44,293,416.18/8,873.75
  6. Step 6: Final answer
    x = 4,991.51

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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.