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Finding the Fourth Proportional to 49,812.71, 68,706.36 and 29,653.97

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Solution

The fourth proportional to 49,812.71, 68,706.36 and 29,653.97 is: 40,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,812.71 : 68,706.36 = 29,653.97 : x
  2. Step 2: Convert to fraction form
    49,812.71/68,706.36 = 29,653.97/x
  3. Step 3: Cross multiply
    49,812.71x = 68,706.36 × 29,653.97
  4. Step 4: Simplify right side
    49,812.71x = 2,037,415,994.72
  5. Step 5: Solve for x
    x = 2,037,415,994.72/49,812.71
  6. Step 6: Final answer
    x = 40,901.53

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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.