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Finding the Fourth Proportional to 6,578,791.25, 9,869,114.52 and 2,030,210.33

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Solution

The fourth proportional to 6,578,791.25, 9,869,114.52 and 2,030,210.33 is: 3,045,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578,791.25 : 9,869,114.52 = 2,030,210.33 : x
  2. Step 2: Convert to fraction form
    6,578,791.25/9,869,114.52 = 2,030,210.33/x
  3. Step 3: Cross multiply
    6,578,791.25x = 9,869,114.52 × 2,030,210.33
  4. Step 4: Simplify right side
    6,578,791.25x = 20,036,378,197,111.42
  5. Step 5: Solve for x
    x = 20,036,378,197,111.42/6,578,791.25
  6. Step 6: Final answer
    x = 3,045,601.76

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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.