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Finding the Fourth Proportional to 56,213.96, 84,313.24 and 18,773.24

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Solution

The fourth proportional to 56,213.96, 84,313.24 and 18,773.24 is: 28,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,213.96 : 84,313.24 = 18,773.24 : x
  2. Step 2: Convert to fraction form
    56,213.96/84,313.24 = 18,773.24/x
  3. Step 3: Cross multiply
    56,213.96x = 84,313.24 × 18,773.24
  4. Step 4: Simplify right side
    56,213.96x = 1,582,832,689.70
  5. Step 5: Solve for x
    x = 1,582,832,689.70/56,213.96
  6. Step 6: Final answer
    x = 28,157.29

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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.