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Finding the Fourth Proportional to 57,350.77, 79,144.99 and 31,858.77

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Solution

The fourth proportional to 57,350.77, 79,144.99 and 31,858.77 is: 43,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,350.77 : 79,144.99 = 31,858.77 : x
  2. Step 2: Convert to fraction form
    57,350.77/79,144.99 = 31,858.77/x
  3. Step 3: Cross multiply
    57,350.77x = 79,144.99 × 31,858.77
  4. Step 4: Simplify right side
    57,350.77x = 2,521,462,250.21
  5. Step 5: Solve for x
    x = 2,521,462,250.21/57,350.77
  6. Step 6: Final answer
    x = 43,965.62

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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.