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Finding the Fourth Proportional to 43,344.63, 65,068.80 and 25,822.71

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Solution

The fourth proportional to 43,344.63, 65,068.80 and 25,822.71 is: 38,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,344.63 : 65,068.80 = 25,822.71 : x
  2. Step 2: Convert to fraction form
    43,344.63/65,068.80 = 25,822.71/x
  3. Step 3: Cross multiply
    43,344.63x = 65,068.80 × 25,822.71
  4. Step 4: Simplify right side
    43,344.63x = 1,680,252,752.45
  5. Step 5: Solve for x
    x = 1,680,252,752.45/43,344.63
  6. Step 6: Final answer
    x = 38,764.96

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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.