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Finding the Fourth Proportional to 36,457.32, 50,310.50 and 20,543.32

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Solution

The fourth proportional to 36,457.32, 50,310.50 and 20,543.32 is: 28,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,457.32 : 50,310.50 = 20,543.32 : x
  2. Step 2: Convert to fraction form
    36,457.32/50,310.50 = 20,543.32/x
  3. Step 3: Cross multiply
    36,457.32x = 50,310.50 × 20,543.32
  4. Step 4: Simplify right side
    36,457.32x = 1,033,544,700.86
  5. Step 5: Solve for x
    x = 1,033,544,700.86/36,457.32
  6. Step 6: Final answer
    x = 28,349.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.