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Finding the Fourth Proportional to 7,482.73, 11,224.20 and 3,586.23

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Solution

The fourth proportional to 7,482.73, 11,224.20 and 3,586.23 is: 5,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.73 : 11,224.20 = 3,586.23 : x
  2. Step 2: Convert to fraction form
    7,482.73/11,224.20 = 3,586.23/x
  3. Step 3: Cross multiply
    7,482.73x = 11,224.20 × 3,586.23
  4. Step 4: Simplify right side
    7,482.73x = 40,252,562.77
  5. Step 5: Solve for x
    x = 40,252,562.77/7,482.73
  6. Step 6: Final answer
    x = 5,379.40

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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.