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Finding the Fourth Proportional to 30,248.73, 45,367.97 and 8,064.45

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Solution

The fourth proportional to 30,248.73, 45,367.97 and 8,064.45 is: 12,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.73 : 45,367.97 = 8,064.45 : x
  2. Step 2: Convert to fraction form
    30,248.73/45,367.97 = 8,064.45/x
  3. Step 3: Cross multiply
    30,248.73x = 45,367.97 × 8,064.45
  4. Step 4: Simplify right side
    30,248.73x = 365,867,685.34
  5. Step 5: Solve for x
    x = 365,867,685.34/30,248.73
  6. Step 6: Final answer
    x = 12,095.31

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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.