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Finding the Fourth Proportional to 58,372.52, 80,480.39 and 38,197.44

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Solution

The fourth proportional to 58,372.52, 80,480.39 and 38,197.44 is: 52,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,372.52 : 80,480.39 = 38,197.44 : x
  2. Step 2: Convert to fraction form
    58,372.52/80,480.39 = 38,197.44/x
  3. Step 3: Cross multiply
    58,372.52x = 80,480.39 × 38,197.44
  4. Step 4: Simplify right side
    58,372.52x = 3,074,144,677.21
  5. Step 5: Solve for x
    x = 3,074,144,677.21/58,372.52
  6. Step 6: Final answer
    x = 52,664.25

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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.