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Finding the Fourth Proportional to 7,300.26, 10,956.06 and 2,918.16

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Solution

The fourth proportional to 7,300.26, 10,956.06 and 2,918.16 is: 4,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.26 : 10,956.06 = 2,918.16 : x
  2. Step 2: Convert to fraction form
    7,300.26/10,956.06 = 2,918.16/x
  3. Step 3: Cross multiply
    7,300.26x = 10,956.06 × 2,918.16
  4. Step 4: Simplify right side
    7,300.26x = 31,971,536.05
  5. Step 5: Solve for x
    x = 31,971,536.05/7,300.26
  6. Step 6: Final answer
    x = 4,379.51

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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.