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Finding the Fourth Proportional to 27,411.54, 37,827.81 and 15,474.74

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Solution

The fourth proportional to 27,411.54, 37,827.81 and 15,474.74 is: 21,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,411.54 : 37,827.81 = 15,474.74 : x
  2. Step 2: Convert to fraction form
    27,411.54/37,827.81 = 15,474.74/x
  3. Step 3: Cross multiply
    27,411.54x = 37,827.81 × 15,474.74
  4. Step 4: Simplify right side
    27,411.54x = 585,375,524.52
  5. Step 5: Solve for x
    x = 585,375,524.52/27,411.54
  6. Step 6: Final answer
    x = 21,355.08

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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.