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Finding the Fourth Proportional to 58,042.57, 87,064 and 15,923.27

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Solution

The fourth proportional to 58,042.57, 87,064 and 15,923.27 is: 23,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,042.57 : 87,064 = 15,923.27 : x
  2. Step 2: Convert to fraction form
    58,042.57/87,064 = 15,923.27/x
  3. Step 3: Cross multiply
    58,042.57x = 87,064 × 15,923.27
  4. Step 4: Simplify right side
    58,042.57x = 1,386,343,579.28
  5. Step 5: Solve for x
    x = 1,386,343,579.28/58,042.57
  6. Step 6: Final answer
    x = 23,884.94

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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.