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Finding the Fourth Proportional to 7,923.16, 11,881.08 and 2,375.08

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Solution

The fourth proportional to 7,923.16, 11,881.08 and 2,375.08 is: 3,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.16 : 11,881.08 = 2,375.08 : x
  2. Step 2: Convert to fraction form
    7,923.16/11,881.08 = 2,375.08/x
  3. Step 3: Cross multiply
    7,923.16x = 11,881.08 × 2,375.08
  4. Step 4: Simplify right side
    7,923.16x = 28,218,515.49
  5. Step 5: Solve for x
    x = 28,218,515.49/7,923.16
  6. Step 6: Final answer
    x = 3,561.52

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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.