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Finding the Fourth Proportional to 6,560,646.25, 9,839,847.69 and 1,767,214.48

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Solution

The fourth proportional to 6,560,646.25, 9,839,847.69 and 1,767,214.48 is: 2,650,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560,646.25 : 9,839,847.69 = 1,767,214.48 : x
  2. Step 2: Convert to fraction form
    6,560,646.25/9,839,847.69 = 1,767,214.48/x
  3. Step 3: Cross multiply
    6,560,646.25x = 9,839,847.69 × 1,767,214.48
  4. Step 4: Simplify right side
    6,560,646.25x = 17,389,121,318,762.55
  5. Step 5: Solve for x
    x = 17,389,121,318,762.55/6,560,646.25
  6. Step 6: Final answer
    x = 2,650,519.58

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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.