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Finding the Fourth Proportional to 61,349.42, 84,658.32 and 34,491.56

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Solution

The fourth proportional to 61,349.42, 84,658.32 and 34,491.56 is: 47,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,349.42 : 84,658.32 = 34,491.56 : x
  2. Step 2: Convert to fraction form
    61,349.42/84,658.32 = 34,491.56/x
  3. Step 3: Cross multiply
    61,349.42x = 84,658.32 × 34,491.56
  4. Step 4: Simplify right side
    61,349.42x = 2,919,997,523.78
  5. Step 5: Solve for x
    x = 2,919,997,523.78/61,349.42
  6. Step 6: Final answer
    x = 47,596.17

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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.