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Finding the Fourth Proportional to 8,304.78, 12,443.07 and 5,010.95

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Solution

The fourth proportional to 8,304.78, 12,443.07 and 5,010.95 is: 7,507.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.78 : 12,443.07 = 5,010.95 : x
  2. Step 2: Convert to fraction form
    8,304.78/12,443.07 = 5,010.95/x
  3. Step 3: Cross multiply
    8,304.78x = 12,443.07 × 5,010.95
  4. Step 4: Simplify right side
    8,304.78x = 62,351,601.62
  5. Step 5: Solve for x
    x = 62,351,601.62/8,304.78
  6. Step 6: Final answer
    x = 7,507.92

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1.5x scale

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.