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Finding the Fourth Proportional to 58,679.76, 80,982.40 and 33,528.72

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Solution

The fourth proportional to 58,679.76, 80,982.40 and 33,528.72 is: 46,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,679.76 : 80,982.40 = 33,528.72 : x
  2. Step 2: Convert to fraction form
    58,679.76/80,982.40 = 33,528.72/x
  3. Step 3: Cross multiply
    58,679.76x = 80,982.40 × 33,528.72
  4. Step 4: Simplify right side
    58,679.76x = 2,715,236,214.53
  5. Step 5: Solve for x
    x = 2,715,236,214.53/58,679.76
  6. Step 6: Final answer
    x = 46,272.11

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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.