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Finding the Fourth Proportional to 9,604.50, 14,409.18 and 2,679

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Solution

The fourth proportional to 9,604.50, 14,409.18 and 2,679 is: 4,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,604.50 : 14,409.18 = 2,679 : x
  2. Step 2: Convert to fraction form
    9,604.50/14,409.18 = 2,679/x
  3. Step 3: Cross multiply
    9,604.50x = 14,409.18 × 2,679
  4. Step 4: Simplify right side
    9,604.50x = 38,602,193.22
  5. Step 5: Solve for x
    x = 38,602,193.22/9,604.50
  6. Step 6: Final answer
    x = 4,019.18

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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.