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Finding the Fourth Proportional to 23,809.43, 35,719.13 and 9,018.02

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Solution

The fourth proportional to 23,809.43, 35,719.13 and 9,018.02 is: 13,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,809.43 : 35,719.13 = 9,018.02 : x
  2. Step 2: Convert to fraction form
    23,809.43/35,719.13 = 9,018.02/x
  3. Step 3: Cross multiply
    23,809.43x = 35,719.13 × 9,018.02
  4. Step 4: Simplify right side
    23,809.43x = 322,115,672.67
  5. Step 5: Solve for x
    x = 322,115,672.67/23,809.43
  6. Step 6: Final answer
    x = 13,528.91

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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.