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Finding the Fourth Proportional to 23,810.43, 35,720.64 and 9,019.02

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Solution

The fourth proportional to 23,810.43, 35,720.64 and 9,019.02 is: 13,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,810.43 : 35,720.64 = 9,019.02 : x
  2. Step 2: Convert to fraction form
    23,810.43/35,720.64 = 9,019.02/x
  3. Step 3: Cross multiply
    23,810.43x = 35,720.64 × 9,019.02
  4. Step 4: Simplify right side
    23,810.43x = 322,164,942.87
  5. Step 5: Solve for x
    x = 322,164,942.87/23,810.43
  6. Step 6: Final answer
    x = 13,530.42

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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.