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Finding the Fourth Proportional to 57,703.12, 79,672.48 and 37,297.26

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Solution

The fourth proportional to 57,703.12, 79,672.48 and 37,297.26 is: 51,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,703.12 : 79,672.48 = 37,297.26 : x
  2. Step 2: Convert to fraction form
    57,703.12/79,672.48 = 37,297.26/x
  3. Step 3: Cross multiply
    57,703.12x = 79,672.48 × 37,297.26
  4. Step 4: Simplify right side
    57,703.12x = 2,971,565,201.40
  5. Step 5: Solve for x
    x = 2,971,565,201.40/57,703.12
  6. Step 6: Final answer
    x = 51,497.48

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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.