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Finding the Fourth Proportional to 45,868.32, 68,809.32 and 16,283.68

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Solution

The fourth proportional to 45,868.32, 68,809.32 and 16,283.68 is: 24,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,868.32 : 68,809.32 = 16,283.68 : x
  2. Step 2: Convert to fraction form
    45,868.32/68,809.32 = 16,283.68/x
  3. Step 3: Cross multiply
    45,868.32x = 68,809.32 × 16,283.68
  4. Step 4: Simplify right side
    45,868.32x = 1,120,468,522.43
  5. Step 5: Solve for x
    x = 1,120,468,522.43/45,868.32
  6. Step 6: Final answer
    x = 24,427.94

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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.