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Finding the Fourth Proportional to 57,885.28, 79,858 and 37,734.77

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Solution

The fourth proportional to 57,885.28, 79,858 and 37,734.77 is: 52,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,885.28 : 79,858 = 37,734.77 : x
  2. Step 2: Convert to fraction form
    57,885.28/79,858 = 37,734.77/x
  3. Step 3: Cross multiply
    57,885.28x = 79,858 × 37,734.77
  4. Step 4: Simplify right side
    57,885.28x = 3,013,423,262.66
  5. Step 5: Solve for x
    x = 3,013,423,262.66/57,885.28
  6. Step 6: Final answer
    x = 52,058.54

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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.