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Finding the Fourth Proportional to 62,911.73, 86,818.02 and 34,617.35

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Solution

The fourth proportional to 62,911.73, 86,818.02 and 34,617.35 is: 47,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,911.73 : 86,818.02 = 34,617.35 : x
  2. Step 2: Convert to fraction form
    62,911.73/86,818.02 = 34,617.35/x
  3. Step 3: Cross multiply
    62,911.73x = 86,818.02 × 34,617.35
  4. Step 4: Simplify right side
    62,911.73x = 3,005,409,784.65
  5. Step 5: Solve for x
    x = 3,005,409,784.65/62,911.73
  6. Step 6: Final answer
    x = 47,771.85

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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.