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Finding the Fourth Proportional to 29,954.70, 44,928.45 and 12,422.70

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Solution

The fourth proportional to 29,954.70, 44,928.45 and 12,422.70 is: 18,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,954.70 : 44,928.45 = 12,422.70 : x
  2. Step 2: Convert to fraction form
    29,954.70/44,928.45 = 12,422.70/x
  3. Step 3: Cross multiply
    29,954.70x = 44,928.45 × 12,422.70
  4. Step 4: Simplify right side
    29,954.70x = 558,132,655.82
  5. Step 5: Solve for x
    x = 558,132,655.82/29,954.70
  6. Step 6: Final answer
    x = 18,632.56

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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.