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Finding the Fourth Proportional to 47,993.86, 66,231.66 and 26,774.47

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Solution

The fourth proportional to 47,993.86, 66,231.66 and 26,774.47 is: 36,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,993.86 : 66,231.66 = 26,774.47 : x
  2. Step 2: Convert to fraction form
    47,993.86/66,231.66 = 26,774.47/x
  3. Step 3: Cross multiply
    47,993.86x = 66,231.66 × 26,774.47
  4. Step 4: Simplify right side
    47,993.86x = 1,773,317,593.72
  5. Step 5: Solve for x
    x = 1,773,317,593.72/47,993.86
  6. Step 6: Final answer
    x = 36,948.84

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1.5x scale

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.