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Finding the Fourth Proportional to 62,821.66, 86,681.52 and 37,335.82

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Solution

The fourth proportional to 62,821.66, 86,681.52 and 37,335.82 is: 51,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,821.66 : 86,681.52 = 37,335.82 : x
  2. Step 2: Convert to fraction form
    62,821.66/86,681.52 = 37,335.82/x
  3. Step 3: Cross multiply
    62,821.66x = 86,681.52 × 37,335.82
  4. Step 4: Simplify right side
    62,821.66x = 3,236,325,628.05
  5. Step 5: Solve for x
    x = 3,236,325,628.05/62,821.66
  6. Step 6: Final answer
    x = 51,516.08

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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.