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Finding the Fourth Proportional to 7,881.02, 11,820.41 and 2,334.14

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Solution

The fourth proportional to 7,881.02, 11,820.41 and 2,334.14 is: 3,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.02 : 11,820.41 = 2,334.14 : x
  2. Step 2: Convert to fraction form
    7,881.02/11,820.41 = 2,334.14/x
  3. Step 3: Cross multiply
    7,881.02x = 11,820.41 × 2,334.14
  4. Step 4: Simplify right side
    7,881.02x = 27,590,491.80
  5. Step 5: Solve for x
    x = 27,590,491.80/7,881.02
  6. Step 6: Final answer
    x = 3,500.88

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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.