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Finding the Fourth Proportional to 5,663.16, 8,493.28 and 1,765.56

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Solution

The fourth proportional to 5,663.16, 8,493.28 and 1,765.56 is: 2,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.16 : 8,493.28 = 1,765.56 : x
  2. Step 2: Convert to fraction form
    5,663.16/8,493.28 = 1,765.56/x
  3. Step 3: Cross multiply
    5,663.16x = 8,493.28 × 1,765.56
  4. Step 4: Simplify right side
    5,663.16x = 14,995,395.44
  5. Step 5: Solve for x
    x = 14,995,395.44/5,663.16
  6. Step 6: Final answer
    x = 2,647.88

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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.