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Finding the Fourth Proportional to 7,923.19, 11,881.04 and 2,924.30

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Solution

The fourth proportional to 7,923.19, 11,881.04 and 2,924.30 is: 4,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.19 : 11,881.04 = 2,924.30 : x
  2. Step 2: Convert to fraction form
    7,923.19/11,881.04 = 2,924.30/x
  3. Step 3: Cross multiply
    7,923.19x = 11,881.04 × 2,924.30
  4. Step 4: Simplify right side
    7,923.19x = 34,743,665.87
  5. Step 5: Solve for x
    x = 34,743,665.87/7,923.19
  6. Step 6: Final answer
    x = 4,385.06

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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.