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Finding the Fourth Proportional to 35,187.68, 52,781.55 and 8,892.42

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Solution

The fourth proportional to 35,187.68, 52,781.55 and 8,892.42 is: 13,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.68 : 52,781.55 = 8,892.42 : x
  2. Step 2: Convert to fraction form
    35,187.68/52,781.55 = 8,892.42/x
  3. Step 3: Cross multiply
    35,187.68x = 52,781.55 × 8,892.42
  4. Step 4: Simplify right side
    35,187.68x = 469,355,710.85
  5. Step 5: Solve for x
    x = 469,355,710.85/35,187.68
  6. Step 6: Final answer
    x = 13,338.64

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1.5x scale

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.