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Finding the Fourth Proportional to 49,682,707, 74,524,060.50 and 13,780,915

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Solution

The fourth proportional to 49,682,707, 74,524,060.50 and 13,780,915 is: 20,671,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,682,707 : 74,524,060.50 = 13,780,915 : x
  2. Step 2: Convert to fraction form
    49,682,707/74,524,060.50 = 13,780,915/x
  3. Step 3: Cross multiply
    49,682,707x = 74,524,060.50 × 13,780,915
  4. Step 4: Simplify right side
    49,682,707x = 1,027,009,743,205,357.50
  5. Step 5: Solve for x
    x = 1,027,009,743,205,357.50/49,682,707
  6. Step 6: Final answer
    x = 20,671,372.50

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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.