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Finding the Fourth Proportional to 58,179.74, 87,097.34 and 35,921.54

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Solution

The fourth proportional to 58,179.74, 87,097.34 and 35,921.54 is: 53,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,179.74 : 87,097.34 = 35,921.54 : x
  2. Step 2: Convert to fraction form
    58,179.74/87,097.34 = 35,921.54/x
  3. Step 3: Cross multiply
    58,179.74x = 87,097.34 × 35,921.54
  4. Step 4: Simplify right side
    58,179.74x = 3,128,670,890.25
  5. Step 5: Solve for x
    x = 3,128,670,890.25/58,179.74
  6. Step 6: Final answer
    x = 53,775.96

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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.