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Finding the Fourth Proportional to 58,376.52, 87,578.62 and 18,933.64

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Solution

The fourth proportional to 58,376.52, 87,578.62 and 18,933.64 is: 28,404.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,376.52 : 87,578.62 = 18,933.64 : x
  2. Step 2: Convert to fraction form
    58,376.52/87,578.62 = 18,933.64/x
  3. Step 3: Cross multiply
    58,376.52x = 87,578.62 × 18,933.64
  4. Step 4: Simplify right side
    58,376.52x = 1,658,182,062.78
  5. Step 5: Solve for x
    x = 1,658,182,062.78/58,376.52
  6. Step 6: Final answer
    x = 28,404.95

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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.