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Finding the Fourth Proportional to 6,443.56, 8,889.06 and 4,348.36

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Solution

The fourth proportional to 6,443.56, 8,889.06 and 4,348.36 is: 5,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.56 : 8,889.06 = 4,348.36 : x
  2. Step 2: Convert to fraction form
    6,443.56/8,889.06 = 4,348.36/x
  3. Step 3: Cross multiply
    6,443.56x = 8,889.06 × 4,348.36
  4. Step 4: Simplify right side
    6,443.56x = 38,652,832.94
  5. Step 5: Solve for x
    x = 38,652,832.94/6,443.56
  6. Step 6: Final answer
    x = 5,998.68

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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.