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Finding the Fourth Proportional to 8,064.35, 11,998.95 and 7,863.47

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Solution

The fourth proportional to 8,064.35, 11,998.95 and 7,863.47 is: 11,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.35 : 11,998.95 = 7,863.47 : x
  2. Step 2: Convert to fraction form
    8,064.35/11,998.95 = 7,863.47/x
  3. Step 3: Cross multiply
    8,064.35x = 11,998.95 × 7,863.47
  4. Step 4: Simplify right side
    8,064.35x = 94,353,383.36
  5. Step 5: Solve for x
    x = 94,353,383.36/8,064.35
  6. Step 6: Final answer
    x = 11,700.06

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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.