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Finding the Fourth Proportional to 57,570.75, 79,447.64 and 33,696.27

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Solution

The fourth proportional to 57,570.75, 79,447.64 and 33,696.27 is: 46,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,570.75 : 79,447.64 = 33,696.27 : x
  2. Step 2: Convert to fraction form
    57,570.75/79,447.64 = 33,696.27/x
  3. Step 3: Cross multiply
    57,570.75x = 79,447.64 × 33,696.27
  4. Step 4: Simplify right side
    57,570.75x = 2,677,088,959.82
  5. Step 5: Solve for x
    x = 2,677,088,959.82/57,570.75
  6. Step 6: Final answer
    x = 46,500.85

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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.