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Finding the Fourth Proportional to 8,807.95, 13,213.91 and 2,964.39

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Solution

The fourth proportional to 8,807.95, 13,213.91 and 2,964.39 is: 4,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.95 : 13,213.91 = 2,964.39 : x
  2. Step 2: Convert to fraction form
    8,807.95/13,213.91 = 2,964.39/x
  3. Step 3: Cross multiply
    8,807.95x = 13,213.91 × 2,964.39
  4. Step 4: Simplify right side
    8,807.95x = 39,171,167.84
  5. Step 5: Solve for x
    x = 39,171,167.84/8,807.95
  6. Step 6: Final answer
    x = 4,447.25

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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.