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Finding the Fourth Proportional to 6,749,052.72, 9,313,693.24 and 3,693,267.12

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Solution

The fourth proportional to 6,749,052.72, 9,313,693.24 and 3,693,267.12 is: 5,096,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749,052.72 : 9,313,693.24 = 3,693,267.12 : x
  2. Step 2: Convert to fraction form
    6,749,052.72/9,313,693.24 = 3,693,267.12/x
  3. Step 3: Cross multiply
    6,749,052.72x = 9,313,693.24 × 3,693,267.12
  4. Step 4: Simplify right side
    6,749,052.72x = 34,397,957,009,058.27
  5. Step 5: Solve for x
    x = 34,397,957,009,058.27/6,749,052.72
  6. Step 6: Final answer
    x = 5,096,708.89

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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.