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Finding the Fourth Proportional to 60,537.78, 83,494.80 and 39,323.88

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Solution

The fourth proportional to 60,537.78, 83,494.80 and 39,323.88 is: 54,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,537.78 : 83,494.80 = 39,323.88 : x
  2. Step 2: Convert to fraction form
    60,537.78/83,494.80 = 39,323.88/x
  3. Step 3: Cross multiply
    60,537.78x = 83,494.80 × 39,323.88
  4. Step 4: Simplify right side
    60,537.78x = 3,283,339,495.82
  5. Step 5: Solve for x
    x = 3,283,339,495.82/60,537.78
  6. Step 6: Final answer
    x = 54,236.21

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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.