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Finding the Fourth Proportional to 58,311.79, 87,468.09 and 25,003.78

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Solution

The fourth proportional to 58,311.79, 87,468.09 and 25,003.78 is: 37,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,311.79 : 87,468.09 = 25,003.78 : x
  2. Step 2: Convert to fraction form
    58,311.79/87,468.09 = 25,003.78/x
  3. Step 3: Cross multiply
    58,311.79x = 87,468.09 × 25,003.78
  4. Step 4: Simplify right side
    58,311.79x = 2,187,032,566.95
  5. Step 5: Solve for x
    x = 2,187,032,566.95/58,311.79
  6. Step 6: Final answer
    x = 37,505.84

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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.