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Finding the Fourth Proportional to 37,242.92, 51,392.18 and 21,927.06

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Solution

The fourth proportional to 37,242.92, 51,392.18 and 21,927.06 is: 30,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,242.92 : 51,392.18 = 21,927.06 : x
  2. Step 2: Convert to fraction form
    37,242.92/51,392.18 = 21,927.06/x
  3. Step 3: Cross multiply
    37,242.92x = 51,392.18 × 21,927.06
  4. Step 4: Simplify right side
    37,242.92x = 1,126,879,414.39
  5. Step 5: Solve for x
    x = 1,126,879,414.39/37,242.92
  6. Step 6: Final answer
    x = 30,257.55

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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.