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Finding the Fourth Proportional to 8,877.68, 13,318.68 and 3,034.64

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Solution

The fourth proportional to 8,877.68, 13,318.68 and 3,034.64 is: 4,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.68 : 13,318.68 = 3,034.64 : x
  2. Step 2: Convert to fraction form
    8,877.68/13,318.68 = 3,034.64/x
  3. Step 3: Cross multiply
    8,877.68x = 13,318.68 × 3,034.64
  4. Step 4: Simplify right side
    8,877.68x = 40,417,399.08
  5. Step 5: Solve for x
    x = 40,417,399.08/8,877.68
  6. Step 6: Final answer
    x = 4,552.70

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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.