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Finding the Fourth Proportional to 57,777, 79,732.78 and 33,904.06

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Solution

The fourth proportional to 57,777, 79,732.78 and 33,904.06 is: 46,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,777 : 79,732.78 = 33,904.06 : x
  2. Step 2: Convert to fraction form
    57,777/79,732.78 = 33,904.06/x
  3. Step 3: Cross multiply
    57,777x = 79,732.78 × 33,904.06
  4. Step 4: Simplify right side
    57,777x = 2,703,264,957.09
  5. Step 5: Solve for x
    x = 2,703,264,957.09/57,777
  6. Step 6: Final answer
    x = 46,787.91

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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.