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Finding the Fourth Proportional to 58,657.86, 87,964.77 and 25,375.38

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Solution

The fourth proportional to 58,657.86, 87,964.77 and 25,375.38 is: 38,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.86 : 87,964.77 = 25,375.38 : x
  2. Step 2: Convert to fraction form
    58,657.86/87,964.77 = 25,375.38/x
  3. Step 3: Cross multiply
    58,657.86x = 87,964.77 × 25,375.38
  4. Step 4: Simplify right side
    58,657.86x = 2,232,139,465.36
  5. Step 5: Solve for x
    x = 2,232,139,465.36/58,657.86
  6. Step 6: Final answer
    x = 38,053.54

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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.