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Finding the Fourth Proportional to 6,343.08, 8,749.44 and 4,451.82

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Solution

The fourth proportional to 6,343.08, 8,749.44 and 4,451.82 is: 6,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.08 : 8,749.44 = 4,451.82 : x
  2. Step 2: Convert to fraction form
    6,343.08/8,749.44 = 4,451.82/x
  3. Step 3: Cross multiply
    6,343.08x = 8,749.44 × 4,451.82
  4. Step 4: Simplify right side
    6,343.08x = 38,950,931.98
  5. Step 5: Solve for x
    x = 38,950,931.98/6,343.08
  6. Step 6: Final answer
    x = 6,140.70

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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.