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Finding the Fourth Proportional to 23,920.48, 35,880.90 and 8,338.12

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Solution

The fourth proportional to 23,920.48, 35,880.90 and 8,338.12 is: 12,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,920.48 : 35,880.90 = 8,338.12 : x
  2. Step 2: Convert to fraction form
    23,920.48/35,880.90 = 8,338.12/x
  3. Step 3: Cross multiply
    23,920.48x = 35,880.90 × 8,338.12
  4. Step 4: Simplify right side
    23,920.48x = 299,179,249.91
  5. Step 5: Solve for x
    x = 299,179,249.91/23,920.48
  6. Step 6: Final answer
    x = 12,507.24

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