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Finding the Fourth Proportional to 5,625,966.65, 7,763,857.74 and 3,047,647.41

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Solution

The fourth proportional to 5,625,966.65, 7,763,857.74 and 3,047,647.41 is: 4,205,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625,966.65 : 7,763,857.74 = 3,047,647.41 : x
  2. Step 2: Convert to fraction form
    5,625,966.65/7,763,857.74 = 3,047,647.41/x
  3. Step 3: Cross multiply
    5,625,966.65x = 7,763,857.74 × 3,047,647.41
  4. Step 4: Simplify right side
    5,625,966.65x = 23,661,500,932,919.46
  5. Step 5: Solve for x
    x = 23,661,500,932,919.46/5,625,966.65
  6. Step 6: Final answer
    x = 4,205,766.30

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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.