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Finding the Fourth Proportional to 5,262,646.06, 7,262,452.20 and 2,848,198.06

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Solution

The fourth proportional to 5,262,646.06, 7,262,452.20 and 2,848,198.06 is: 3,930,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262,646.06 : 7,262,452.20 = 2,848,198.06 : x
  2. Step 2: Convert to fraction form
    5,262,646.06/7,262,452.20 = 2,848,198.06/x
  3. Step 3: Cross multiply
    5,262,646.06x = 7,262,452.20 × 2,848,198.06
  4. Step 4: Simplify right side
    5,262,646.06x = 20,684,902,266,882.73
  5. Step 5: Solve for x
    x = 20,684,902,266,882.73/5,262,646.06
  6. Step 6: Final answer
    x = 3,930,513.67

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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.