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Finding the Fourth Proportional to 8,270.88, 12,398.01 and 4,104.48

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Solution

The fourth proportional to 8,270.88, 12,398.01 and 4,104.48 is: 6,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.88 : 12,398.01 = 4,104.48 : x
  2. Step 2: Convert to fraction form
    8,270.88/12,398.01 = 4,104.48/x
  3. Step 3: Cross multiply
    8,270.88x = 12,398.01 × 4,104.48
  4. Step 4: Simplify right side
    8,270.88x = 50,887,384.08
  5. Step 5: Solve for x
    x = 50,887,384.08/8,270.88
  6. Step 6: Final answer
    x = 6,152.60

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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.