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Finding the Fourth Proportional to 9,442.68, 14,169.40 and 8,935.96

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Solution

The fourth proportional to 9,442.68, 14,169.40 and 8,935.96 is: 13,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,442.68 : 14,169.40 = 8,935.96 : x
  2. Step 2: Convert to fraction form
    9,442.68/14,169.40 = 8,935.96/x
  3. Step 3: Cross multiply
    9,442.68x = 14,169.40 × 8,935.96
  4. Step 4: Simplify right side
    9,442.68x = 126,617,191.62
  5. Step 5: Solve for x
    x = 126,617,191.62/9,442.68
  6. Step 6: Final answer
    x = 13,409.03

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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.