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Finding the Fourth Proportional to 9,405,728.90, 14,107,908.14 and 4,219,944.24

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Solution

The fourth proportional to 9,405,728.90, 14,107,908.14 and 4,219,944.24 is: 6,329,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405,728.90 : 14,107,908.14 = 4,219,944.24 : x
  2. Step 2: Convert to fraction form
    9,405,728.90/14,107,908.14 = 4,219,944.24/x
  3. Step 3: Cross multiply
    9,405,728.90x = 14,107,908.14 × 4,219,944.24
  4. Step 4: Simplify right side
    9,405,728.90x = 59,534,585,693,842.12
  5. Step 5: Solve for x
    x = 59,534,585,693,842.12/9,405,728.90
  6. Step 6: Final answer
    x = 6,329,608.94

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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.