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Finding the Fourth Proportional to 61,464.43, 84,814.31 and 34,606.45

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Solution

The fourth proportional to 61,464.43, 84,814.31 and 34,606.45 is: 47,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,464.43 : 84,814.31 = 34,606.45 : x
  2. Step 2: Convert to fraction form
    61,464.43/84,814.31 = 34,606.45/x
  3. Step 3: Cross multiply
    61,464.43x = 84,814.31 × 34,606.45
  4. Step 4: Simplify right side
    61,464.43x = 2,935,122,052.78
  5. Step 5: Solve for x
    x = 2,935,122,052.78/61,464.43
  6. Step 6: Final answer
    x = 47,753.18

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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.