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Finding the Fourth Proportional to 5,163,633.93, 7,746,500.66 and 1,798,103.37

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Solution

The fourth proportional to 5,163,633.93, 7,746,500.66 and 1,798,103.37 is: 2,697,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163,633.93 : 7,746,500.66 = 1,798,103.37 : x
  2. Step 2: Convert to fraction form
    5,163,633.93/7,746,500.66 = 1,798,103.37/x
  3. Step 3: Cross multiply
    5,163,633.93x = 7,746,500.66 × 1,798,103.37
  4. Step 4: Simplify right side
    5,163,633.93x = 13,929,008,933,462.71
  5. Step 5: Solve for x
    x = 13,929,008,933,462.71/5,163,633.93
  6. Step 6: Final answer
    x = 2,697,520.61

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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.