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Finding the Fourth Proportional to 9,040.61, 12,470.52 and 5,974.46

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Solution

The fourth proportional to 9,040.61, 12,470.52 and 5,974.46 is: 8,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.61 : 12,470.52 = 5,974.46 : x
  2. Step 2: Convert to fraction form
    9,040.61/12,470.52 = 5,974.46/x
  3. Step 3: Cross multiply
    9,040.61x = 12,470.52 × 5,974.46
  4. Step 4: Simplify right side
    9,040.61x = 74,504,629.74
  5. Step 5: Solve for x
    x = 74,504,629.74/9,040.61
  6. Step 6: Final answer
    x = 8,241.10

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1.5x scale

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.