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Finding the Fourth Proportional to 9,388,662.86, 14,058,740.15 and 6,479,731.76

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Solution

The fourth proportional to 9,388,662.86, 14,058,740.15 and 6,479,731.76 is: 9,702,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388,662.86 : 14,058,740.15 = 6,479,731.76 : x
  2. Step 2: Convert to fraction form
    9,388,662.86/14,058,740.15 = 6,479,731.76/x
  3. Step 3: Cross multiply
    9,388,662.86x = 14,058,740.15 × 6,479,731.76
  4. Step 4: Simplify right side
    9,388,662.86x = 91,096,865,055,542.16
  5. Step 5: Solve for x
    x = 91,096,865,055,542.16/9,388,662.86
  6. Step 6: Final answer
    x = 9,702,858.27

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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.