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Finding the Fourth Proportional to 4,834,843.77, 6,672,259.80 and 2,659,555.16

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Solution

The fourth proportional to 4,834,843.77, 6,672,259.80 and 2,659,555.16 is: 3,670,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,834,843.77 : 6,672,259.80 = 2,659,555.16 : x
  2. Step 2: Convert to fraction form
    4,834,843.77/6,672,259.80 = 2,659,555.16/x
  3. Step 3: Cross multiply
    4,834,843.77x = 6,672,259.80 × 2,659,555.16
  4. Step 4: Simplify right side
    4,834,843.77x = 17,745,242,979,950.57
  5. Step 5: Solve for x
    x = 17,745,242,979,950.57/4,834,843.77
  6. Step 6: Final answer
    x = 3,670,282.60

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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.