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Finding the Fourth Proportional to 8,866.68, 13,299.54 and 2,710.68

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Solution

The fourth proportional to 8,866.68, 13,299.54 and 2,710.68 is: 4,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.68 : 13,299.54 = 2,710.68 : x
  2. Step 2: Convert to fraction form
    8,866.68/13,299.54 = 2,710.68/x
  3. Step 3: Cross multiply
    8,866.68x = 13,299.54 × 2,710.68
  4. Step 4: Simplify right side
    8,866.68x = 36,050,797.09
  5. Step 5: Solve for x
    x = 36,050,797.09/8,866.68
  6. Step 6: Final answer
    x = 4,065.87

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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.