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Finding the Fourth Proportional to 58,118.81, 87,211.48 and 22,575.53

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Solution

The fourth proportional to 58,118.81, 87,211.48 and 22,575.53 is: 33,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,118.81 : 87,211.48 = 22,575.53 : x
  2. Step 2: Convert to fraction form
    58,118.81/87,211.48 = 22,575.53/x
  3. Step 3: Cross multiply
    58,118.81x = 87,211.48 × 22,575.53
  4. Step 4: Simplify right side
    58,118.81x = 1,968,845,618.75
  5. Step 5: Solve for x
    x = 1,968,845,618.75/58,118.81
  6. Step 6: Final answer
    x = 33,876.22

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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.