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Finding the Fourth Proportional to 45,977.04, 68,861.88 and 37,682.64

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Solution

The fourth proportional to 45,977.04, 68,861.88 and 37,682.64 is: 56,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,977.04 : 68,861.88 = 37,682.64 : x
  2. Step 2: Convert to fraction form
    45,977.04/68,861.88 = 37,682.64/x
  3. Step 3: Cross multiply
    45,977.04x = 68,861.88 × 37,682.64
  4. Step 4: Simplify right side
    45,977.04x = 2,594,897,433.76
  5. Step 5: Solve for x
    x = 2,594,897,433.76/45,977.04
  6. Step 6: Final answer
    x = 56,438.98

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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.