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Finding the Fourth Proportional to 57,692.16, 79,628 and 37,513.92

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Solution

The fourth proportional to 57,692.16, 79,628 and 37,513.92 is: 51,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.16 : 79,628 = 37,513.92 : x
  2. Step 2: Convert to fraction form
    57,692.16/79,628 = 37,513.92/x
  3. Step 3: Cross multiply
    57,692.16x = 79,628 × 37,513.92
  4. Step 4: Simplify right side
    57,692.16x = 2,987,158,421.76
  5. Step 5: Solve for x
    x = 2,987,158,421.76/57,692.16
  6. Step 6: Final answer
    x = 51,777.55

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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.