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Finding the Fourth Proportional to 7,489.60, 11,236.13 and 2,224.50

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Solution

The fourth proportional to 7,489.60, 11,236.13 and 2,224.50 is: 3,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.60 : 11,236.13 = 2,224.50 : x
  2. Step 2: Convert to fraction form
    7,489.60/11,236.13 = 2,224.50/x
  3. Step 3: Cross multiply
    7,489.60x = 11,236.13 × 2,224.50
  4. Step 4: Simplify right side
    7,489.60x = 24,994,715.00
  5. Step 5: Solve for x
    x = 24,994,715.00/7,489.60
  6. Step 6: Final answer
    x = 3,337.26

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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.