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Finding the Fourth Proportional to 8,078.92, 12,059.44 and 7,094.76

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Solution

The fourth proportional to 8,078.92, 12,059.44 and 7,094.76 is: 10,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.92 : 12,059.44 = 7,094.76 : x
  2. Step 2: Convert to fraction form
    8,078.92/12,059.44 = 7,094.76/x
  3. Step 3: Cross multiply
    8,078.92x = 12,059.44 × 7,094.76
  4. Step 4: Simplify right side
    8,078.92x = 85,558,832.53
  5. Step 5: Solve for x
    x = 85,558,832.53/8,078.92
  6. Step 6: Final answer
    x = 10,590.38

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