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Finding the Fourth Proportional to 29,956.50, 44,909.37 and 20,065.50

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Solution

The fourth proportional to 29,956.50, 44,909.37 and 20,065.50 is: 30,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,956.50 : 44,909.37 = 20,065.50 : x
  2. Step 2: Convert to fraction form
    29,956.50/44,909.37 = 20,065.50/x
  3. Step 3: Cross multiply
    29,956.50x = 44,909.37 × 20,065.50
  4. Step 4: Simplify right side
    29,956.50x = 901,128,963.74
  5. Step 5: Solve for x
    x = 901,128,963.74/29,956.50
  6. Step 6: Final answer
    x = 30,081.25

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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.