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Finding the Fourth Proportional to 37,305.88, 55,964.76 and 12,346.84

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Solution

The fourth proportional to 37,305.88, 55,964.76 and 12,346.84 is: 18,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,305.88 : 55,964.76 = 12,346.84 : x
  2. Step 2: Convert to fraction form
    37,305.88/55,964.76 = 12,346.84/x
  3. Step 3: Cross multiply
    37,305.88x = 55,964.76 × 12,346.84
  4. Step 4: Simplify right side
    37,305.88x = 690,987,937.36
  5. Step 5: Solve for x
    x = 690,987,937.36/37,305.88
  6. Step 6: Final answer
    x = 18,522.23

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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.