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Finding the Fourth Proportional to 43,649.17, 65,473.76 and 15,568.09

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Solution

The fourth proportional to 43,649.17, 65,473.76 and 15,568.09 is: 23,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,649.17 : 65,473.76 = 15,568.09 : x
  2. Step 2: Convert to fraction form
    43,649.17/65,473.76 = 15,568.09/x
  3. Step 3: Cross multiply
    43,649.17x = 65,473.76 × 15,568.09
  4. Step 4: Simplify right side
    43,649.17x = 1,019,301,146.79
  5. Step 5: Solve for x
    x = 1,019,301,146.79/43,649.17
  6. Step 6: Final answer
    x = 23,352.13

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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.