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Finding the Fourth Proportional to 58,443.96, 87,639.96 and 36,256.44

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Solution

The fourth proportional to 58,443.96, 87,639.96 and 36,256.44 is: 54,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,443.96 : 87,639.96 = 36,256.44 : x
  2. Step 2: Convert to fraction form
    58,443.96/87,639.96 = 36,256.44/x
  3. Step 3: Cross multiply
    58,443.96x = 87,639.96 × 36,256.44
  4. Step 4: Simplify right side
    58,443.96x = 3,177,512,951.34
  5. Step 5: Solve for x
    x = 3,177,512,951.34/58,443.96
  6. Step 6: Final answer
    x = 54,368.54

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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.