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Finding the Fourth Proportional to 36,455.40, 54,683.10 and 11,503.10

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Solution

The fourth proportional to 36,455.40, 54,683.10 and 11,503.10 is: 17,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,455.40 : 54,683.10 = 11,503.10 : x
  2. Step 2: Convert to fraction form
    36,455.40/54,683.10 = 11,503.10/x
  3. Step 3: Cross multiply
    36,455.40x = 54,683.10 × 11,503.10
  4. Step 4: Simplify right side
    36,455.40x = 629,024,996.73
  5. Step 5: Solve for x
    x = 629,024,996.73/36,455.40
  6. Step 6: Final answer
    x = 17,254.65

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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.