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Finding the Fourth Proportional to 11,045.92, 16,568.88 and 7,572.64

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Solution

The fourth proportional to 11,045.92, 16,568.88 and 7,572.64 is: 11,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.92 : 16,568.88 = 7,572.64 : x
  2. Step 2: Convert to fraction form
    11,045.92/16,568.88 = 7,572.64/x
  3. Step 3: Cross multiply
    11,045.92x = 16,568.88 × 7,572.64
  4. Step 4: Simplify right side
    11,045.92x = 125,470,163.44
  5. Step 5: Solve for x
    x = 125,470,163.44/11,045.92
  6. Step 6: Final answer
    x = 11,358.96

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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.