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Finding the Fourth Proportional to 6,668,647.02, 9,202,777.08 and 3,612,861.27

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Solution

The fourth proportional to 6,668,647.02, 9,202,777.08 and 3,612,861.27 is: 4,985,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668,647.02 : 9,202,777.08 = 3,612,861.27 : x
  2. Step 2: Convert to fraction form
    6,668,647.02/9,202,777.08 = 3,612,861.27/x
  3. Step 3: Cross multiply
    6,668,647.02x = 9,202,777.08 × 3,612,861.27
  4. Step 4: Simplify right side
    6,668,647.02x = 33,248,356,888,775.69
  5. Step 5: Solve for x
    x = 33,248,356,888,775.69/6,668,647.02
  6. Step 6: Final answer
    x = 4,985,772.49

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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.