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Finding the Fourth Proportional to 67,325.28, 92,929.92 and 43,452

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Solution

The fourth proportional to 67,325.28, 92,929.92 and 43,452 is: 59,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,325.28 : 92,929.92 = 43,452 : x
  2. Step 2: Convert to fraction form
    67,325.28/92,929.92 = 43,452/x
  3. Step 3: Cross multiply
    67,325.28x = 92,929.92 × 43,452
  4. Step 4: Simplify right side
    67,325.28x = 4,037,990,883.84
  5. Step 5: Solve for x
    x = 4,037,990,883.84/67,325.28
  6. Step 6: Final answer
    x = 59,977.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.