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Finding the Fourth Proportional to 62,937.81, 86,844.02 and 36,075.38

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Solution

The fourth proportional to 62,937.81, 86,844.02 and 36,075.38 is: 49,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,937.81 : 86,844.02 = 36,075.38 : x
  2. Step 2: Convert to fraction form
    62,937.81/86,844.02 = 36,075.38/x
  3. Step 3: Cross multiply
    62,937.81x = 86,844.02 × 36,075.38
  4. Step 4: Simplify right side
    62,937.81x = 3,132,930,407.63
  5. Step 5: Solve for x
    x = 3,132,930,407.63/62,937.81
  6. Step 6: Final answer
    x = 49,778.19

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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.