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Finding the Fourth Proportional to 6,605,148.70, 9,907,723.05 and 6,605,148.70

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Solution

The fourth proportional to 6,605,148.70, 9,907,723.05 and 6,605,148.70 is: 9,907,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,148.70 : 9,907,723.05 = 6,605,148.70 : x
  2. Step 2: Convert to fraction form
    6,605,148.70/9,907,723.05 = 6,605,148.70/x
  3. Step 3: Cross multiply
    6,605,148.70x = 9,907,723.05 × 6,605,148.70
  4. Step 4: Simplify right side
    6,605,148.70x = 65,441,984,023,667.54
  5. Step 5: Solve for x
    x = 65,441,984,023,667.54/6,605,148.70
  6. Step 6: Final answer
    x = 9,907,723.05

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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.