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Finding the Fourth Proportional to 48,596.58, 72,904.77 and 18,608.70

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Solution

The fourth proportional to 48,596.58, 72,904.77 and 18,608.70 is: 27,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,596.58 : 72,904.77 = 18,608.70 : x
  2. Step 2: Convert to fraction form
    48,596.58/72,904.77 = 18,608.70/x
  3. Step 3: Cross multiply
    48,596.58x = 72,904.77 × 18,608.70
  4. Step 4: Simplify right side
    48,596.58x = 1,356,662,993.50
  5. Step 5: Solve for x
    x = 1,356,662,993.50/48,596.58
  6. Step 6: Final answer
    x = 27,916.84

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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.