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Finding the Fourth Proportional to 27,291.25, 37,666.52 and 15,804.49

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Solution

The fourth proportional to 27,291.25, 37,666.52 and 15,804.49 is: 21,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.25 : 37,666.52 = 15,804.49 : x
  2. Step 2: Convert to fraction form
    27,291.25/37,666.52 = 15,804.49/x
  3. Step 3: Cross multiply
    27,291.25x = 37,666.52 × 15,804.49
  4. Step 4: Simplify right side
    27,291.25x = 595,300,138.67
  5. Step 5: Solve for x
    x = 595,300,138.67/27,291.25
  6. Step 6: Final answer
    x = 21,812.86

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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.