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Finding the Fourth Proportional to 3,788,892.60, 5,683,338.90 and 3,496,600.05

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Solution

The fourth proportional to 3,788,892.60, 5,683,338.90 and 3,496,600.05 is: 5,244,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,892.60 : 5,683,338.90 = 3,496,600.05 : x
  2. Step 2: Convert to fraction form
    3,788,892.60/5,683,338.90 = 3,496,600.05/x
  3. Step 3: Cross multiply
    3,788,892.60x = 5,683,338.90 × 3,496,600.05
  4. Step 4: Simplify right side
    3,788,892.60x = 19,872,363,081,906.95
  5. Step 5: Solve for x
    x = 19,872,363,081,906.95/3,788,892.60
  6. Step 6: Final answer
    x = 5,244,900.08

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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.