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Finding the Fourth Proportional to 8,877.72, 13,321.23 and 3,334.89

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Solution

The fourth proportional to 8,877.72, 13,321.23 and 3,334.89 is: 5,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.72 : 13,321.23 = 3,334.89 : x
  2. Step 2: Convert to fraction form
    8,877.72/13,321.23 = 3,334.89/x
  3. Step 3: Cross multiply
    8,877.72x = 13,321.23 × 3,334.89
  4. Step 4: Simplify right side
    8,877.72x = 44,424,836.71
  5. Step 5: Solve for x
    x = 44,424,836.71/8,877.72
  6. Step 6: Final answer
    x = 5,004.08

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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.