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Finding the Fourth Proportional to 58,701.96, 87,995.05 and 37,581.91

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Solution

The fourth proportional to 58,701.96, 87,995.05 and 37,581.91 is: 56,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,701.96 : 87,995.05 = 37,581.91 : x
  2. Step 2: Convert to fraction form
    58,701.96/87,995.05 = 37,581.91/x
  3. Step 3: Cross multiply
    58,701.96x = 87,995.05 × 37,581.91
  4. Step 4: Simplify right side
    58,701.96x = 3,307,022,049.55
  5. Step 5: Solve for x
    x = 3,307,022,049.55/58,701.96
  6. Step 6: Final answer
    x = 56,335.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.