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Finding the Fourth Proportional to 5,010.58, 7,478.86 and 4,419.62

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Solution

The fourth proportional to 5,010.58, 7,478.86 and 4,419.62 is: 6,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.58 : 7,478.86 = 4,419.62 : x
  2. Step 2: Convert to fraction form
    5,010.58/7,478.86 = 4,419.62/x
  3. Step 3: Cross multiply
    5,010.58x = 7,478.86 × 4,419.62
  4. Step 4: Simplify right side
    5,010.58x = 33,053,719.23
  5. Step 5: Solve for x
    x = 33,053,719.23/5,010.58
  6. Step 6: Final answer
    x = 6,596.79

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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.