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Finding the Fourth Proportional to 8,874.36, 13,313.88 and 7,544.16

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Solution

The fourth proportional to 8,874.36, 13,313.88 and 7,544.16 is: 11,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.36 : 13,313.88 = 7,544.16 : x
  2. Step 2: Convert to fraction form
    8,874.36/13,313.88 = 7,544.16/x
  3. Step 3: Cross multiply
    8,874.36x = 13,313.88 × 7,544.16
  4. Step 4: Simplify right side
    8,874.36x = 100,442,040.94
  5. Step 5: Solve for x
    x = 100,442,040.94/8,874.36
  6. Step 6: Final answer
    x = 11,318.23

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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.