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Finding the Fourth Proportional to 40,598.87, 60,894.39 and 12,511.39

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Solution

The fourth proportional to 40,598.87, 60,894.39 and 12,511.39 is: 18,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,598.87 : 60,894.39 = 12,511.39 : x
  2. Step 2: Convert to fraction form
    40,598.87/60,894.39 = 12,511.39/x
  3. Step 3: Cross multiply
    40,598.87x = 60,894.39 × 12,511.39
  4. Step 4: Simplify right side
    40,598.87x = 761,873,211.72
  5. Step 5: Solve for x
    x = 761,873,211.72/40,598.87
  6. Step 6: Final answer
    x = 18,765.87

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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.