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Finding the Fourth Proportional to 6,384.13, 8,808.80 and 3,731.03

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Solution

The fourth proportional to 6,384.13, 8,808.80 and 3,731.03 is: 5,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.13 : 8,808.80 = 3,731.03 : x
  2. Step 2: Convert to fraction form
    6,384.13/8,808.80 = 3,731.03/x
  3. Step 3: Cross multiply
    6,384.13x = 8,808.80 × 3,731.03
  4. Step 4: Simplify right side
    6,384.13x = 32,865,897.06
  5. Step 5: Solve for x
    x = 32,865,897.06/6,384.13
  6. Step 6: Final answer
    x = 5,148.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.