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Finding the Fourth Proportional to 8,616.77, 12,926.06 and 3,070.70

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Solution

The fourth proportional to 8,616.77, 12,926.06 and 3,070.70 is: 4,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.77 : 12,926.06 = 3,070.70 : x
  2. Step 2: Convert to fraction form
    8,616.77/12,926.06 = 3,070.70/x
  3. Step 3: Cross multiply
    8,616.77x = 12,926.06 × 3,070.70
  4. Step 4: Simplify right side
    8,616.77x = 39,692,052.44
  5. Step 5: Solve for x
    x = 39,692,052.44/8,616.77
  6. Step 6: Final answer
    x = 4,606.37

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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.