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Finding the Fourth Proportional to 60,794.40, 83,872.08 and 35,639.04

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Solution

The fourth proportional to 60,794.40, 83,872.08 and 35,639.04 is: 49,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,794.40 : 83,872.08 = 35,639.04 : x
  2. Step 2: Convert to fraction form
    60,794.40/83,872.08 = 35,639.04/x
  3. Step 3: Cross multiply
    60,794.40x = 83,872.08 × 35,639.04
  4. Step 4: Simplify right side
    60,794.40x = 2,989,120,414.00
  5. Step 5: Solve for x
    x = 2,989,120,414.00/60,794.40
  6. Step 6: Final answer
    x = 49,167.69

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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.