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Finding the Fourth Proportional to 9,243.57, 13,866.13 and 3,003.45

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Solution

The fourth proportional to 9,243.57, 13,866.13 and 3,003.45 is: 4,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.57 : 13,866.13 = 3,003.45 : x
  2. Step 2: Convert to fraction form
    9,243.57/13,866.13 = 3,003.45/x
  3. Step 3: Cross multiply
    9,243.57x = 13,866.13 × 3,003.45
  4. Step 4: Simplify right side
    9,243.57x = 41,646,143.80
  5. Step 5: Solve for x
    x = 41,646,143.80/9,243.57
  6. Step 6: Final answer
    x = 4,505.42

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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.