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Finding the Fourth Proportional to 36,230.60, 54,343.20 and 15,165.20

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Solution

The fourth proportional to 36,230.60, 54,343.20 and 15,165.20 is: 22,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,230.60 : 54,343.20 = 15,165.20 : x
  2. Step 2: Convert to fraction form
    36,230.60/54,343.20 = 15,165.20/x
  3. Step 3: Cross multiply
    36,230.60x = 54,343.20 × 15,165.20
  4. Step 4: Simplify right side
    36,230.60x = 824,125,496.64
  5. Step 5: Solve for x
    x = 824,125,496.64/36,230.60
  6. Step 6: Final answer
    x = 22,746.67

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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.