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Finding the Fourth Proportional to 6,836.88, 9,432.54 and 4,001.88

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Solution

The fourth proportional to 6,836.88, 9,432.54 and 4,001.88 is: 5,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836.88 : 9,432.54 = 4,001.88 : x
  2. Step 2: Convert to fraction form
    6,836.88/9,432.54 = 4,001.88/x
  3. Step 3: Cross multiply
    6,836.88x = 9,432.54 × 4,001.88
  4. Step 4: Simplify right side
    6,836.88x = 37,747,893.18
  5. Step 5: Solve for x
    x = 37,747,893.18/6,836.88
  6. Step 6: Final answer
    x = 5,521.22

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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.