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Finding the Fourth Proportional to 61,527.62, 84,865.68 and 47,224.64

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Solution

The fourth proportional to 61,527.62, 84,865.68 and 47,224.64 is: 65,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,527.62 : 84,865.68 = 47,224.64 : x
  2. Step 2: Convert to fraction form
    61,527.62/84,865.68 = 47,224.64/x
  3. Step 3: Cross multiply
    61,527.62x = 84,865.68 × 47,224.64
  4. Step 4: Simplify right side
    61,527.62x = 4,007,751,398.52
  5. Step 5: Solve for x
    x = 4,007,751,398.52/61,527.62
  6. Step 6: Final answer
    x = 65,137.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.