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Finding the Fourth Proportional to 43,889.53, 65,841.12 and 14,300.48

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Solution

The fourth proportional to 43,889.53, 65,841.12 and 14,300.48 is: 21,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,889.53 : 65,841.12 = 14,300.48 : x
  2. Step 2: Convert to fraction form
    43,889.53/65,841.12 = 14,300.48/x
  3. Step 3: Cross multiply
    43,889.53x = 65,841.12 × 14,300.48
  4. Step 4: Simplify right side
    43,889.53x = 941,559,619.74
  5. Step 5: Solve for x
    x = 941,559,619.74/43,889.53
  6. Step 6: Final answer
    x = 21,452.94

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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.