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Finding the Fourth Proportional to 8,365.02, 12,544.53 and 2,817.18

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Solution

The fourth proportional to 8,365.02, 12,544.53 and 2,817.18 is: 4,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.02 : 12,544.53 = 2,817.18 : x
  2. Step 2: Convert to fraction form
    8,365.02/12,544.53 = 2,817.18/x
  3. Step 3: Cross multiply
    8,365.02x = 12,544.53 × 2,817.18
  4. Step 4: Simplify right side
    8,365.02x = 35,340,199.03
  5. Step 5: Solve for x
    x = 35,340,199.03/8,365.02
  6. Step 6: Final answer
    x = 4,224.76

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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.