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Finding the Fourth Proportional to 9,073,391.04, 12,521,563.20 and 5,206,619.52

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Solution

The fourth proportional to 9,073,391.04, 12,521,563.20 and 5,206,619.52 is: 7,185,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073,391.04 : 12,521,563.20 = 5,206,619.52 : x
  2. Step 2: Convert to fraction form
    9,073,391.04/12,521,563.20 = 5,206,619.52/x
  3. Step 3: Cross multiply
    9,073,391.04x = 12,521,563.20 × 5,206,619.52
  4. Step 4: Simplify right side
    9,073,391.04x = 65,195,015,378,033.66
  5. Step 5: Solve for x
    x = 65,195,015,378,033.66/9,073,391.04
  6. Step 6: Final answer
    x = 7,185,297.66

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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.