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Finding the Fourth Proportional to 6,630.76, 9,946.14 and 3,552.76

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Solution

The fourth proportional to 6,630.76, 9,946.14 and 3,552.76 is: 5,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.76 : 9,946.14 = 3,552.76 : x
  2. Step 2: Convert to fraction form
    6,630.76/9,946.14 = 3,552.76/x
  3. Step 3: Cross multiply
    6,630.76x = 9,946.14 × 3,552.76
  4. Step 4: Simplify right side
    6,630.76x = 35,336,248.35
  5. Step 5: Solve for x
    x = 35,336,248.35/6,630.76
  6. Step 6: Final answer
    x = 5,329.14

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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.