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Finding the Fourth Proportional to 57,749.77, 79,690.93 and 33,548.59

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Solution

The fourth proportional to 57,749.77, 79,690.93 and 33,548.59 is: 46,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.77 : 79,690.93 = 33,548.59 : x
  2. Step 2: Convert to fraction form
    57,749.77/79,690.93 = 33,548.59/x
  3. Step 3: Cross multiply
    57,749.77x = 79,690.93 × 33,548.59
  4. Step 4: Simplify right side
    57,749.77x = 2,673,518,337.29
  5. Step 5: Solve for x
    x = 2,673,518,337.29/57,749.77
  6. Step 6: Final answer
    x = 46,294.87

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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.