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Finding the Fourth Proportional to 58,552.75, 87,916.60 and 57,677.95

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Solution

The fourth proportional to 58,552.75, 87,916.60 and 57,677.95 is: 86,603.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,552.75 : 87,916.60 = 57,677.95 : x
  2. Step 2: Convert to fraction form
    58,552.75/87,916.60 = 57,677.95/x
  3. Step 3: Cross multiply
    58,552.75x = 87,916.60 × 57,677.95
  4. Step 4: Simplify right side
    58,552.75x = 5,070,848,819.39
  5. Step 5: Solve for x
    x = 5,070,848,819.39/58,552.75
  6. Step 6: Final answer
    x = 86,603.09

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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.