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Finding the Fourth Proportional to 36,130.60, 54,193.20 and 15,065.20

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Solution

The fourth proportional to 36,130.60, 54,193.20 and 15,065.20 is: 22,596.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.60 : 54,193.20 = 15,065.20 : x
  2. Step 2: Convert to fraction form
    36,130.60/54,193.20 = 15,065.20/x
  3. Step 3: Cross multiply
    36,130.60x = 54,193.20 × 15,065.20
  4. Step 4: Simplify right side
    36,130.60x = 816,431,396.64
  5. Step 5: Solve for x
    x = 816,431,396.64/36,130.60
  6. Step 6: Final answer
    x = 22,596.67

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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.