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Finding the Fourth Proportional to 8,877.86, 13,318.14 and 3,033.09

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Solution

The fourth proportional to 8,877.86, 13,318.14 and 3,033.09 is: 4,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.86 : 13,318.14 = 3,033.09 : x
  2. Step 2: Convert to fraction form
    8,877.86/13,318.14 = 3,033.09/x
  3. Step 3: Cross multiply
    8,877.86x = 13,318.14 × 3,033.09
  4. Step 4: Simplify right side
    8,877.86x = 40,395,117.25
  5. Step 5: Solve for x
    x = 40,395,117.25/8,877.86
  6. Step 6: Final answer
    x = 4,550.10

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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.