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Finding the Fourth Proportional to 8,330.54, 12,496.54 and 3,400.52

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Solution

The fourth proportional to 8,330.54, 12,496.54 and 3,400.52 is: 5,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.54 : 12,496.54 = 3,400.52 : x
  2. Step 2: Convert to fraction form
    8,330.54/12,496.54 = 3,400.52/x
  3. Step 3: Cross multiply
    8,330.54x = 12,496.54 × 3,400.52
  4. Step 4: Simplify right side
    8,330.54x = 42,494,734.20
  5. Step 5: Solve for x
    x = 42,494,734.20/8,330.54
  6. Step 6: Final answer
    x = 5,101.08

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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.