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Finding the Fourth Proportional to 68,752.99, 94,884.93 and 38,537.83

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Solution

The fourth proportional to 68,752.99, 94,884.93 and 38,537.83 is: 53,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752.99 : 94,884.93 = 38,537.83 : x
  2. Step 2: Convert to fraction form
    68,752.99/94,884.93 = 38,537.83/x
  3. Step 3: Cross multiply
    68,752.99x = 94,884.93 × 38,537.83
  4. Step 4: Simplify right side
    68,752.99x = 3,656,658,634.79
  5. Step 5: Solve for x
    x = 3,656,658,634.79/68,752.99
  6. Step 6: Final answer
    x = 53,185.45

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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.