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Finding the Fourth Proportional to 6,543.56, 9,809.06 and 4,197

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Solution

The fourth proportional to 6,543.56, 9,809.06 and 4,197 is: 6,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.56 : 9,809.06 = 4,197 : x
  2. Step 2: Convert to fraction form
    6,543.56/9,809.06 = 4,197/x
  3. Step 3: Cross multiply
    6,543.56x = 9,809.06 × 4,197
  4. Step 4: Simplify right side
    6,543.56x = 41,168,624.82
  5. Step 5: Solve for x
    x = 41,168,624.82/6,543.56
  6. Step 6: Final answer
    x = 6,291.47

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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.