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Finding the Fourth Proportional to 27,335.79, 37,723.52 and 15,399.32

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Solution

The fourth proportional to 27,335.79, 37,723.52 and 15,399.32 is: 21,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,335.79 : 37,723.52 = 15,399.32 : x
  2. Step 2: Convert to fraction form
    27,335.79/37,723.52 = 15,399.32/x
  3. Step 3: Cross multiply
    27,335.79x = 37,723.52 × 15,399.32
  4. Step 4: Simplify right side
    27,335.79x = 580,916,405.89
  5. Step 5: Solve for x
    x = 580,916,405.89/27,335.79
  6. Step 6: Final answer
    x = 21,251.13

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Why These Related Problems?

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