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Finding the Fourth Proportional to 7,892.34, 11,840.18 and 2,346.06

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Solution

The fourth proportional to 7,892.34, 11,840.18 and 2,346.06 is: 3,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.34 : 11,840.18 = 2,346.06 : x
  2. Step 2: Convert to fraction form
    7,892.34/11,840.18 = 2,346.06/x
  3. Step 3: Cross multiply
    7,892.34x = 11,840.18 × 2,346.06
  4. Step 4: Simplify right side
    7,892.34x = 27,777,772.69
  5. Step 5: Solve for x
    x = 27,777,772.69/7,892.34
  6. Step 6: Final answer
    x = 3,519.59

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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.