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Finding the Fourth Proportional to 68,798.72, 94,937.76 and 38,583.83

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Solution

The fourth proportional to 68,798.72, 94,937.76 and 38,583.83 is: 53,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,798.72 : 94,937.76 = 38,583.83 : x
  2. Step 2: Convert to fraction form
    68,798.72/94,937.76 = 38,583.83/x
  3. Step 3: Cross multiply
    68,798.72x = 94,937.76 × 38,583.83
  4. Step 4: Simplify right side
    68,798.72x = 3,663,062,629.77
  5. Step 5: Solve for x
    x = 3,663,062,629.77/68,798.72
  6. Step 6: Final answer
    x = 53,243.18

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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.