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Finding the Fourth Proportional to 6,655,346.67, 9,983,020.41 and 2,167,622.67

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Solution

The fourth proportional to 6,655,346.67, 9,983,020.41 and 2,167,622.67 is: 3,251,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655,346.67 : 9,983,020.41 = 2,167,622.67 : x
  2. Step 2: Convert to fraction form
    6,655,346.67/9,983,020.41 = 2,167,622.67/x
  3. Step 3: Cross multiply
    6,655,346.67x = 9,983,020.41 × 2,167,622.67
  4. Step 4: Simplify right side
    6,655,346.67x = 21,639,421,355,788.70
  5. Step 5: Solve for x
    x = 21,639,421,355,788.70/6,655,346.67
  6. Step 6: Final answer
    x = 3,251,434.14

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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.