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Finding the Fourth Proportional to 27,098.64, 37,392.48 and 15,162.48

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Solution

The fourth proportional to 27,098.64, 37,392.48 and 15,162.48 is: 20,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,098.64 : 37,392.48 = 15,162.48 : x
  2. Step 2: Convert to fraction form
    27,098.64/37,392.48 = 15,162.48/x
  3. Step 3: Cross multiply
    27,098.64x = 37,392.48 × 15,162.48
  4. Step 4: Simplify right side
    27,098.64x = 566,962,730.15
  5. Step 5: Solve for x
    x = 566,962,730.15/27,098.64
  6. Step 6: Final answer
    x = 20,922.18

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1.5x scale

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.