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Finding the Fourth Proportional to 8,807.24, 13,213.29 and 7,179.14

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Solution

The fourth proportional to 8,807.24, 13,213.29 and 7,179.14 is: 10,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.24 : 13,213.29 = 7,179.14 : x
  2. Step 2: Convert to fraction form
    8,807.24/13,213.29 = 7,179.14/x
  3. Step 3: Cross multiply
    8,807.24x = 13,213.29 × 7,179.14
  4. Step 4: Simplify right side
    8,807.24x = 94,860,058.77
  5. Step 5: Solve for x
    x = 94,860,058.77/8,807.24
  6. Step 6: Final answer
    x = 10,770.69

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1.5x scale

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.