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Finding the Fourth Proportional to 4,799.88, 6,608.52 and 4,178.88

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Solution

The fourth proportional to 4,799.88, 6,608.52 and 4,178.88 is: 5,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.88 : 6,608.52 = 4,178.88 : x
  2. Step 2: Convert to fraction form
    4,799.88/6,608.52 = 4,178.88/x
  3. Step 3: Cross multiply
    4,799.88x = 6,608.52 × 4,178.88
  4. Step 4: Simplify right side
    4,799.88x = 27,616,212.06
  5. Step 5: Solve for x
    x = 27,616,212.06/4,799.88
  6. Step 6: Final answer
    x = 5,753.52

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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.