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Finding the Fourth Proportional to 5,803.96, 8,703.07 and 2,105.63

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Solution

The fourth proportional to 5,803.96, 8,703.07 and 2,105.63 is: 3,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.96 : 8,703.07 = 2,105.63 : x
  2. Step 2: Convert to fraction form
    5,803.96/8,703.07 = 2,105.63/x
  3. Step 3: Cross multiply
    5,803.96x = 8,703.07 × 2,105.63
  4. Step 4: Simplify right side
    5,803.96x = 18,325,445.28
  5. Step 5: Solve for x
    x = 18,325,445.28/5,803.96
  6. Step 6: Final answer
    x = 3,157.40

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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.