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Finding the Fourth Proportional to 8,205.95, 12,244.87 and 7,322.37

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Solution

The fourth proportional to 8,205.95, 12,244.87 and 7,322.37 is: 10,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.95 : 12,244.87 = 7,322.37 : x
  2. Step 2: Convert to fraction form
    8,205.95/12,244.87 = 7,322.37/x
  3. Step 3: Cross multiply
    8,205.95x = 12,244.87 × 7,322.37
  4. Step 4: Simplify right side
    8,205.95x = 89,661,432.13
  5. Step 5: Solve for x
    x = 89,661,432.13/8,205.95
  6. Step 6: Final answer
    x = 10,926.39

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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.