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Finding the Fourth Proportional to 32,709.39, 45,140.04 and 18,371.74

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Solution

The fourth proportional to 32,709.39, 45,140.04 and 18,371.74 is: 25,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.39 : 45,140.04 = 18,371.74 : x
  2. Step 2: Convert to fraction form
    32,709.39/45,140.04 = 18,371.74/x
  3. Step 3: Cross multiply
    32,709.39x = 45,140.04 × 18,371.74
  4. Step 4: Simplify right side
    32,709.39x = 829,301,067.97
  5. Step 5: Solve for x
    x = 829,301,067.97/32,709.39
  6. Step 6: Final answer
    x = 25,353.61

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Half scale
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Double scale
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Similar ratio
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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.