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Finding the Fourth Proportional to 6,313,689.06, 9,470,871.68 and 1,995,410.78

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Solution

The fourth proportional to 6,313,689.06, 9,470,871.68 and 1,995,410.78 is: 2,993,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313,689.06 : 9,470,871.68 = 1,995,410.78 : x
  2. Step 2: Convert to fraction form
    6,313,689.06/9,470,871.68 = 1,995,410.78/x
  3. Step 3: Cross multiply
    6,313,689.06x = 9,470,871.68 × 1,995,410.78
  4. Step 4: Simplify right side
    6,313,689.06x = 18,898,279,446,268.71
  5. Step 5: Solve for x
    x = 18,898,279,446,268.71/6,313,689.06
  6. Step 6: Final answer
    x = 2,993,223.02

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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.