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Finding the Fourth Proportional to 7,062,967.34, 9,747,959.93 and 4,311,249.92

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Solution

The fourth proportional to 7,062,967.34, 9,747,959.93 and 4,311,249.92 is: 5,950,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062,967.34 : 9,747,959.93 = 4,311,249.92 : x
  2. Step 2: Convert to fraction form
    7,062,967.34/9,747,959.93 = 4,311,249.92/x
  3. Step 3: Cross multiply
    7,062,967.34x = 9,747,959.93 × 4,311,249.92
  4. Step 4: Simplify right side
    7,062,967.34x = 42,025,891,398,079.66
  5. Step 5: Solve for x
    x = 42,025,891,398,079.66/7,062,967.34
  6. Step 6: Final answer
    x = 5,950,174.96

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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.