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Finding the Fourth Proportional to 6,410,579.51, 8,846,598.16 and 3,509,969.61

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Solution

The fourth proportional to 6,410,579.51, 8,846,598.16 and 3,509,969.61 is: 4,843,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410,579.51 : 8,846,598.16 = 3,509,969.61 : x
  2. Step 2: Convert to fraction form
    6,410,579.51/8,846,598.16 = 3,509,969.61/x
  3. Step 3: Cross multiply
    6,410,579.51x = 8,846,598.16 × 3,509,969.61
  4. Step 4: Simplify right side
    6,410,579.51x = 31,051,290,681,282.01
  5. Step 5: Solve for x
    x = 31,051,290,681,282.01/6,410,579.51
  6. Step 6: Final answer
    x = 4,843,757.21

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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.