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Finding the Fourth Proportional to 66,527.44, 99,791.16 and 38,806

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Solution

The fourth proportional to 66,527.44, 99,791.16 and 38,806 is: 58,209

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,527.44 : 99,791.16 = 38,806 : x
  2. Step 2: Convert to fraction form
    66,527.44/99,791.16 = 38,806/x
  3. Step 3: Cross multiply
    66,527.44x = 99,791.16 × 38,806
  4. Step 4: Simplify right side
    66,527.44x = 3,872,495,754.96
  5. Step 5: Solve for x
    x = 3,872,495,754.96/66,527.44
  6. Step 6: Final answer
    x = 58,209

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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.