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Finding the Fourth Proportional to 58,203.18, 80,320.95 and 33,052.86

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Solution

The fourth proportional to 58,203.18, 80,320.95 and 33,052.86 is: 45,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,203.18 : 80,320.95 = 33,052.86 : x
  2. Step 2: Convert to fraction form
    58,203.18/80,320.95 = 33,052.86/x
  3. Step 3: Cross multiply
    58,203.18x = 80,320.95 × 33,052.86
  4. Step 4: Simplify right side
    58,203.18x = 2,654,837,115.42
  5. Step 5: Solve for x
    x = 2,654,837,115.42/58,203.18
  6. Step 6: Final answer
    x = 45,613.27

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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.