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Finding the Fourth Proportional to 23,683.40, 33,218.20 and 23,683.40

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Solution

The fourth proportional to 23,683.40, 33,218.20 and 23,683.40 is: 33,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,683.40 : 33,218.20 = 23,683.40 : x
  2. Step 2: Convert to fraction form
    23,683.40/33,218.20 = 23,683.40/x
  3. Step 3: Cross multiply
    23,683.40x = 33,218.20 × 23,683.40
  4. Step 4: Simplify right side
    23,683.40x = 786,719,917.88
  5. Step 5: Solve for x
    x = 786,719,917.88/23,683.40
  6. Step 6: Final answer
    x = 33,218.20

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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 (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.