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Finding the Fourth Proportional to 4,879.60, 7,273.01 and 4,602.82

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Solution

The fourth proportional to 4,879.60, 7,273.01 and 4,602.82 is: 6,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.60 : 7,273.01 = 4,602.82 : x
  2. Step 2: Convert to fraction form
    4,879.60/7,273.01 = 4,602.82/x
  3. Step 3: Cross multiply
    4,879.60x = 7,273.01 × 4,602.82
  4. Step 4: Simplify right side
    4,879.60x = 33,476,355.89
  5. Step 5: Solve for x
    x = 33,476,355.89/4,879.60
  6. Step 6: Final answer
    x = 6,860.47

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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.