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Finding the Fourth Proportional to 27,036.43, 37,310.43 and 15,100.81

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Solution

The fourth proportional to 27,036.43, 37,310.43 and 15,100.81 is: 20,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.43 : 37,310.43 = 15,100.81 : x
  2. Step 2: Convert to fraction form
    27,036.43/37,310.43 = 15,100.81/x
  3. Step 3: Cross multiply
    27,036.43x = 37,310.43 × 15,100.81
  4. Step 4: Simplify right side
    27,036.43x = 563,417,714.45
  5. Step 5: Solve for x
    x = 563,417,714.45/27,036.43
  6. Step 6: Final answer
    x = 20,839.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.