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Finding the Fourth Proportional to 40,267.84, 60,410.40 and 12,568

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Solution

The fourth proportional to 40,267.84, 60,410.40 and 12,568 is: 18,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,267.84 : 60,410.40 = 12,568 : x
  2. Step 2: Convert to fraction form
    40,267.84/60,410.40 = 12,568/x
  3. Step 3: Cross multiply
    40,267.84x = 60,410.40 × 12,568
  4. Step 4: Simplify right side
    40,267.84x = 759,237,907.20
  5. Step 5: Solve for x
    x = 759,237,907.20/40,267.84
  6. Step 6: Final answer
    x = 18,854.70

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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.