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Finding the Fourth Proportional to 60,924, 84,084.84 and 35,768.64

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Solution

The fourth proportional to 60,924, 84,084.84 and 35,768.64 is: 49,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,924 : 84,084.84 = 35,768.64 : x
  2. Step 2: Convert to fraction form
    60,924/84,084.84 = 35,768.64/x
  3. Step 3: Cross multiply
    60,924x = 84,084.84 × 35,768.64
  4. Step 4: Simplify right side
    60,924x = 3,007,600,371.42
  5. Step 5: Solve for x
    x = 3,007,600,371.42/60,924
  6. Step 6: Final answer
    x = 49,366.43

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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.