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Finding the Fourth Proportional to 35,187.68, 52,781.87 and 8,892.43

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Solution

The fourth proportional to 35,187.68, 52,781.87 and 8,892.43 is: 13,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.68 : 52,781.87 = 8,892.43 : x
  2. Step 2: Convert to fraction form
    35,187.68/52,781.87 = 8,892.43/x
  3. Step 3: Cross multiply
    35,187.68x = 52,781.87 × 8,892.43
  4. Step 4: Simplify right side
    35,187.68x = 469,358,907.83
  5. Step 5: Solve for x
    x = 469,358,907.83/35,187.68
  6. Step 6: Final answer
    x = 13,338.73

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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.