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Finding the Fourth Proportional to 5,260,978, 7,868,669.95 and 3,096,845.52

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Solution

The fourth proportional to 5,260,978, 7,868,669.95 and 3,096,845.52 is: 4,631,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260,978 : 7,868,669.95 = 3,096,845.52 : x
  2. Step 2: Convert to fraction form
    5,260,978/7,868,669.95 = 3,096,845.52/x
  3. Step 3: Cross multiply
    5,260,978x = 7,868,669.95 × 3,096,845.52
  4. Step 4: Simplify right side
    5,260,978x = 24,368,055,283,016.12
  5. Step 5: Solve for x
    x = 24,368,055,283,016.12/5,260,978
  6. Step 6: Final answer
    x = 4,631,848.92

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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.