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Finding the Fourth Proportional to 10,704,578.76, 16,053,268.68 and 3,879,723.30

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Solution

The fourth proportional to 10,704,578.76, 16,053,268.68 and 3,879,723.30 is: 5,818,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,704,578.76 : 16,053,268.68 = 3,879,723.30 : x
  2. Step 2: Convert to fraction form
    10,704,578.76/16,053,268.68 = 3,879,723.30/x
  3. Step 3: Cross multiply
    10,704,578.76x = 16,053,268.68 × 3,879,723.30
  4. Step 4: Simplify right side
    10,704,578.76x = 62,282,240,538,956.24
  5. Step 5: Solve for x
    x = 62,282,240,538,956.24/10,704,578.76
  6. Step 6: Final answer
    x = 5,818,280.38

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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.