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Finding the Fourth Proportional to 5,507,918.22, 7,600,775.98 and 3,060,466.34

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Solution

The fourth proportional to 5,507,918.22, 7,600,775.98 and 3,060,466.34 is: 4,223,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507,918.22 : 7,600,775.98 = 3,060,466.34 : x
  2. Step 2: Convert to fraction form
    5,507,918.22/7,600,775.98 = 3,060,466.34/x
  3. Step 3: Cross multiply
    5,507,918.22x = 7,600,775.98 × 3,060,466.34
  4. Step 4: Simplify right side
    5,507,918.22x = 23,261,919,004,753.84
  5. Step 5: Solve for x
    x = 23,261,919,004,753.84/5,507,918.22
  6. Step 6: Final answer
    x = 4,223,359.55

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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.