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Finding the Fourth Proportional to 6,596.81, 9,895.35 and 2,154.47

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Solution

The fourth proportional to 6,596.81, 9,895.35 and 2,154.47 is: 3,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,596.81 : 9,895.35 = 2,154.47 : x
  2. Step 2: Convert to fraction form
    6,596.81/9,895.35 = 2,154.47/x
  3. Step 3: Cross multiply
    6,596.81x = 9,895.35 × 2,154.47
  4. Step 4: Simplify right side
    6,596.81x = 21,319,234.71
  5. Step 5: Solve for x
    x = 21,319,234.71/6,596.81
  6. Step 6: Final answer
    x = 3,231.75

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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.