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Finding the Fourth Proportional to 8,918.18, 13,376.73 and 2,344.22

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Solution

The fourth proportional to 8,918.18, 13,376.73 and 2,344.22 is: 3,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.18 : 13,376.73 = 2,344.22 : x
  2. Step 2: Convert to fraction form
    8,918.18/13,376.73 = 2,344.22/x
  3. Step 3: Cross multiply
    8,918.18x = 13,376.73 × 2,344.22
  4. Step 4: Simplify right side
    8,918.18x = 31,357,998.00
  5. Step 5: Solve for x
    x = 31,357,998.00/8,918.18
  6. Step 6: Final answer
    x = 3,516.19

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1.5x scale

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.