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Finding the Fourth Proportional to 58,578.48, 87,917.94 and 23,543.28

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Solution

The fourth proportional to 58,578.48, 87,917.94 and 23,543.28 is: 35,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,578.48 : 87,917.94 = 23,543.28 : x
  2. Step 2: Convert to fraction form
    58,578.48/87,917.94 = 23,543.28/x
  3. Step 3: Cross multiply
    58,578.48x = 87,917.94 × 23,543.28
  4. Step 4: Simplify right side
    58,578.48x = 2,069,876,678.44
  5. Step 5: Solve for x
    x = 2,069,876,678.44/58,578.48
  6. Step 6: Final answer
    x = 35,335.10

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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.