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Finding the Fourth Proportional to 15,318,828.84, 22,978,174.14 and 3,958,311.72

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Solution

The fourth proportional to 15,318,828.84, 22,978,174.14 and 3,958,311.72 is: 5,937,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318,828.84 : 22,978,174.14 = 3,958,311.72 : x
  2. Step 2: Convert to fraction form
    15,318,828.84/22,978,174.14 = 3,958,311.72/x
  3. Step 3: Cross multiply
    15,318,828.84x = 22,978,174.14 × 3,958,311.72
  4. Step 4: Simplify right side
    15,318,828.84x = 90,954,776,002,562.92
  5. Step 5: Solve for x
    x = 90,954,776,002,562.92/15,318,828.84
  6. Step 6: Final answer
    x = 5,937,449.72

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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.