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Finding the Fourth Proportional to 43,880.92, 65,803.74 and 15,795.88

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Solution

The fourth proportional to 43,880.92, 65,803.74 and 15,795.88 is: 23,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,880.92 : 65,803.74 = 15,795.88 : x
  2. Step 2: Convert to fraction form
    43,880.92/65,803.74 = 15,795.88/x
  3. Step 3: Cross multiply
    43,880.92x = 65,803.74 × 15,795.88
  4. Step 4: Simplify right side
    43,880.92x = 1,039,427,980.59
  5. Step 5: Solve for x
    x = 1,039,427,980.59/43,880.92
  6. Step 6: Final answer
    x = 23,687.47

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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.