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Finding the Fourth Proportional to 15,361.71, 23,044.22 and 4,268.43

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Solution

The fourth proportional to 15,361.71, 23,044.22 and 4,268.43 is: 6,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361.71 : 23,044.22 = 4,268.43 : x
  2. Step 2: Convert to fraction form
    15,361.71/23,044.22 = 4,268.43/x
  3. Step 3: Cross multiply
    15,361.71x = 23,044.22 × 4,268.43
  4. Step 4: Simplify right side
    15,361.71x = 98,362,618.63
  5. Step 5: Solve for x
    x = 98,362,618.63/15,361.71
  6. Step 6: Final answer
    x = 6,403.10

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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.