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Finding the Fourth Proportional to 8,710.94, 13,068.30 and 2,868.14

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Solution

The fourth proportional to 8,710.94, 13,068.30 and 2,868.14 is: 4,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.94 : 13,068.30 = 2,868.14 : x
  2. Step 2: Convert to fraction form
    8,710.94/13,068.30 = 2,868.14/x
  3. Step 3: Cross multiply
    8,710.94x = 13,068.30 × 2,868.14
  4. Step 4: Simplify right side
    8,710.94x = 37,481,713.96
  5. Step 5: Solve for x
    x = 37,481,713.96/8,710.94
  6. Step 6: Final answer
    x = 4,302.83

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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.