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Finding the Fourth Proportional to 48,255.86, 72,366 and 16,657.88

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Solution

The fourth proportional to 48,255.86, 72,366 and 16,657.88 is: 24,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,255.86 : 72,366 = 16,657.88 : x
  2. Step 2: Convert to fraction form
    48,255.86/72,366 = 16,657.88/x
  3. Step 3: Cross multiply
    48,255.86x = 72,366 × 16,657.88
  4. Step 4: Simplify right side
    48,255.86x = 1,205,464,144.08
  5. Step 5: Solve for x
    x = 1,205,464,144.08/48,255.86
  6. Step 6: Final answer
    x = 24,980.68

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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.