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Finding the Fourth Proportional to 9,417.80, 14,126.70 and 7,344.20

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Solution

The fourth proportional to 9,417.80, 14,126.70 and 7,344.20 is: 11,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.80 : 14,126.70 = 7,344.20 : x
  2. Step 2: Convert to fraction form
    9,417.80/14,126.70 = 7,344.20/x
  3. Step 3: Cross multiply
    9,417.80x = 14,126.70 × 7,344.20
  4. Step 4: Simplify right side
    9,417.80x = 103,749,310.14
  5. Step 5: Solve for x
    x = 103,749,310.14/9,417.80
  6. Step 6: Final answer
    x = 11,016.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.