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Finding the Fourth Proportional to 17,799,281.70, 26,703,296.55 and 5,019,620.10

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Solution

The fourth proportional to 17,799,281.70, 26,703,296.55 and 5,019,620.10 is: 7,530,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799,281.70 : 26,703,296.55 = 5,019,620.10 : x
  2. Step 2: Convert to fraction form
    17,799,281.70/26,703,296.55 = 5,019,620.10/x
  3. Step 3: Cross multiply
    17,799,281.70x = 26,703,296.55 × 5,019,620.10
  4. Step 4: Simplify right side
    17,799,281.70x = 134,040,404,098,640.66
  5. Step 5: Solve for x
    x = 134,040,404,098,640.66/17,799,281.70
  6. Step 6: Final answer
    x = 7,530,663.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.