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Finding the Fourth Proportional to 58,589.52, 87,895.21 and 19,148.79

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Solution

The fourth proportional to 58,589.52, 87,895.21 and 19,148.79 is: 28,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,589.52 : 87,895.21 = 19,148.79 : x
  2. Step 2: Convert to fraction form
    58,589.52/87,895.21 = 19,148.79/x
  3. Step 3: Cross multiply
    58,589.52x = 87,895.21 × 19,148.79
  4. Step 4: Simplify right side
    58,589.52x = 1,683,086,918.30
  5. Step 5: Solve for x
    x = 1,683,086,918.30/58,589.52
  6. Step 6: Final answer
    x = 28,726.76

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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.