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Finding the Fourth Proportional to 57,774.60, 79,729.05 and 35,107.56

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Solution

The fourth proportional to 57,774.60, 79,729.05 and 35,107.56 is: 48,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,774.60 : 79,729.05 = 35,107.56 : x
  2. Step 2: Convert to fraction form
    57,774.60/79,729.05 = 35,107.56/x
  3. Step 3: Cross multiply
    57,774.60x = 79,729.05 × 35,107.56
  4. Step 4: Simplify right side
    57,774.60x = 2,799,092,406.62
  5. Step 5: Solve for x
    x = 2,799,092,406.62/57,774.60
  6. Step 6: Final answer
    x = 48,448.49

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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.