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Finding the Fourth Proportional to 3,995,309.02, 5,993,018.84 and 1,299,648.32

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Solution

The fourth proportional to 3,995,309.02, 5,993,018.84 and 1,299,648.32 is: 1,949,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995,309.02 : 5,993,018.84 = 1,299,648.32 : x
  2. Step 2: Convert to fraction form
    3,995,309.02/5,993,018.84 = 1,299,648.32/x
  3. Step 3: Cross multiply
    3,995,309.02x = 5,993,018.84 × 1,299,648.32
  4. Step 4: Simplify right side
    3,995,309.02x = 7,788,816,867,134.35
  5. Step 5: Solve for x
    x = 7,788,816,867,134.35/3,995,309.02
  6. Step 6: Final answer
    x = 1,949,490.47

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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.