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Finding the Fourth Proportional to 8,193.84, 11,294.28 and 5,540.28

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Solution

The fourth proportional to 8,193.84, 11,294.28 and 5,540.28 is: 7,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.84 : 11,294.28 = 5,540.28 : x
  2. Step 2: Convert to fraction form
    8,193.84/11,294.28 = 5,540.28/x
  3. Step 3: Cross multiply
    8,193.84x = 11,294.28 × 5,540.28
  4. Step 4: Simplify right side
    8,193.84x = 62,573,473.60
  5. Step 5: Solve for x
    x = 62,573,473.60/8,193.84
  6. Step 6: Final answer
    x = 7,636.65

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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.