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Finding the Fourth Proportional to 67,787.98, 93,550.86 and 39,096.97

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Solution

The fourth proportional to 67,787.98, 93,550.86 and 39,096.97 is: 53,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,787.98 : 93,550.86 = 39,096.97 : x
  2. Step 2: Convert to fraction form
    67,787.98/93,550.86 = 39,096.97/x
  3. Step 3: Cross multiply
    67,787.98x = 93,550.86 × 39,096.97
  4. Step 4: Simplify right side
    67,787.98x = 3,657,554,933.02
  5. Step 5: Solve for x
    x = 3,657,554,933.02/67,787.98
  6. Step 6: Final answer
    x = 53,955.81

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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.