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Finding the Fourth Proportional to 17,373,612.72, 23,978,463.60 and 9,641,138.88

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Solution

The fourth proportional to 17,373,612.72, 23,978,463.60 and 9,641,138.88 is: 13,306,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,373,612.72 : 23,978,463.60 = 9,641,138.88 : x
  2. Step 2: Convert to fraction form
    17,373,612.72/23,978,463.60 = 9,641,138.88/x
  3. Step 3: Cross multiply
    17,373,612.72x = 23,978,463.60 × 9,641,138.88
  4. Step 4: Simplify right side
    17,373,612.72x = 231,179,697,696,624.81
  5. Step 5: Solve for x
    x = 231,179,697,696,624.81/17,373,612.72
  6. Step 6: Final answer
    x = 13,306,368.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.