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Finding the Fourth Proportional to 8,807.34, 13,207.17 and 3,331.50

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Solution

The fourth proportional to 8,807.34, 13,207.17 and 3,331.50 is: 4,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.34 : 13,207.17 = 3,331.50 : x
  2. Step 2: Convert to fraction form
    8,807.34/13,207.17 = 3,331.50/x
  3. Step 3: Cross multiply
    8,807.34x = 13,207.17 × 3,331.50
  4. Step 4: Simplify right side
    8,807.34x = 43,999,686.86
  5. Step 5: Solve for x
    x = 43,999,686.86/8,807.34
  6. Step 6: Final answer
    x = 4,995.80

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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.