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Finding the Fourth Proportional to 4,879, 7,272.17 and 4,594.96

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Solution

The fourth proportional to 4,879, 7,272.17 and 4,594.96 is: 6,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879 : 7,272.17 = 4,594.96 : x
  2. Step 2: Convert to fraction form
    4,879/7,272.17 = 4,594.96/x
  3. Step 3: Cross multiply
    4,879x = 7,272.17 × 4,594.96
  4. Step 4: Simplify right side
    4,879x = 33,415,330.26
  5. Step 5: Solve for x
    x = 33,415,330.26/4,879
  6. Step 6: Final answer
    x = 6,848.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.