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Finding the Fourth Proportional to 44,008.80, 65,840.40 and 39,861.60

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Solution

The fourth proportional to 44,008.80, 65,840.40 and 39,861.60 is: 59,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,008.80 : 65,840.40 = 39,861.60 : x
  2. Step 2: Convert to fraction form
    44,008.80/65,840.40 = 39,861.60/x
  3. Step 3: Cross multiply
    44,008.80x = 65,840.40 × 39,861.60
  4. Step 4: Simplify right side
    44,008.80x = 2,624,503,688.64
  5. Step 5: Solve for x
    x = 2,624,503,688.64/44,008.80
  6. Step 6: Final answer
    x = 59,635.88

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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.