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Finding the Fourth Proportional to 47,609.44, 65,698.76 and 27,472.79

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Solution

The fourth proportional to 47,609.44, 65,698.76 and 27,472.79 is: 37,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,609.44 : 65,698.76 = 27,472.79 : x
  2. Step 2: Convert to fraction form
    47,609.44/65,698.76 = 27,472.79/x
  3. Step 3: Cross multiply
    47,609.44x = 65,698.76 × 27,472.79
  4. Step 4: Simplify right side
    47,609.44x = 1,804,928,099.38
  5. Step 5: Solve for x
    x = 1,804,928,099.38/47,609.44
  6. Step 6: Final answer
    x = 37,911.14

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Half scale
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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.