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Finding the Fourth Proportional to 27,170, 37,557.36 and 22,667.48

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Solution

The fourth proportional to 27,170, 37,557.36 and 22,667.48 is: 31,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170 : 37,557.36 = 22,667.48 : x
  2. Step 2: Convert to fraction form
    27,170/37,557.36 = 22,667.48/x
  3. Step 3: Cross multiply
    27,170x = 37,557.36 × 22,667.48
  4. Step 4: Simplify right side
    27,170x = 851,330,706.65
  5. Step 5: Solve for x
    x = 851,330,706.65/27,170
  6. Step 6: Final answer
    x = 31,333.48

Related Problems

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Double scale
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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.