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Finding the Fourth Proportional to 60,872.54, 84,007.35 and 34,015.70

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Solution

The fourth proportional to 60,872.54, 84,007.35 and 34,015.70 is: 46,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,872.54 : 84,007.35 = 34,015.70 : x
  2. Step 2: Convert to fraction form
    60,872.54/84,007.35 = 34,015.70/x
  3. Step 3: Cross multiply
    60,872.54x = 84,007.35 × 34,015.70
  4. Step 4: Simplify right side
    60,872.54x = 2,857,568,815.40
  5. Step 5: Solve for x
    x = 2,857,568,815.40/60,872.54
  6. Step 6: Final answer
    x = 46,943.48

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1.5x scale

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.