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Finding the Fourth Proportional to 62,979.84, 94,513.44 and 40,737.84

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Solution

The fourth proportional to 62,979.84, 94,513.44 and 40,737.84 is: 61,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,979.84 : 94,513.44 = 40,737.84 : x
  2. Step 2: Convert to fraction form
    62,979.84/94,513.44 = 40,737.84/x
  3. Step 3: Cross multiply
    62,979.84x = 94,513.44 × 40,737.84
  4. Step 4: Simplify right side
    62,979.84x = 3,850,273,396.57
  5. Step 5: Solve for x
    x = 3,850,273,396.57/62,979.84
  6. Step 6: Final answer
    x = 61,135.01

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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.