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Finding the Fourth Proportional to 58,283.59, 80,431.21 and 32,789.98

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Solution

The fourth proportional to 58,283.59, 80,431.21 and 32,789.98 is: 45,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,283.59 : 80,431.21 = 32,789.98 : x
  2. Step 2: Convert to fraction form
    58,283.59/80,431.21 = 32,789.98/x
  3. Step 3: Cross multiply
    58,283.59x = 80,431.21 × 32,789.98
  4. Step 4: Simplify right side
    58,283.59x = 2,637,337,767.28
  5. Step 5: Solve for x
    x = 2,637,337,767.28/58,283.59
  6. Step 6: Final answer
    x = 45,250.09

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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.