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Finding the Fourth Proportional to 62,734.77, 94,100.94 and 15,987.78

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Solution

The fourth proportional to 62,734.77, 94,100.94 and 15,987.78 is: 23,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,734.77 : 94,100.94 = 15,987.78 : x
  2. Step 2: Convert to fraction form
    62,734.77/94,100.94 = 15,987.78/x
  3. Step 3: Cross multiply
    62,734.77x = 94,100.94 × 15,987.78
  4. Step 4: Simplify right side
    62,734.77x = 1,504,465,126.51
  5. Step 5: Solve for x
    x = 1,504,465,126.51/62,734.77
  6. Step 6: Final answer
    x = 23,981.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.