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Finding the Fourth Proportional to 8,811.59, 13,213.54 and 3,335.75

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Solution

The fourth proportional to 8,811.59, 13,213.54 and 3,335.75 is: 5,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.59 : 13,213.54 = 3,335.75 : x
  2. Step 2: Convert to fraction form
    8,811.59/13,213.54 = 3,335.75/x
  3. Step 3: Cross multiply
    8,811.59x = 13,213.54 × 3,335.75
  4. Step 4: Simplify right side
    8,811.59x = 44,077,066.06
  5. Step 5: Solve for x
    x = 44,077,066.06/8,811.59
  6. Step 6: Final answer
    x = 5,002.17

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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.