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Finding the Fourth Proportional to 7,615.01, 11,411.78 and 3,608.14

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Solution

The fourth proportional to 7,615.01, 11,411.78 and 3,608.14 is: 5,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.01 : 11,411.78 = 3,608.14 : x
  2. Step 2: Convert to fraction form
    7,615.01/11,411.78 = 3,608.14/x
  3. Step 3: Cross multiply
    7,615.01x = 11,411.78 × 3,608.14
  4. Step 4: Simplify right side
    7,615.01x = 41,175,253.32
  5. Step 5: Solve for x
    x = 41,175,253.32/7,615.01
  6. Step 6: Final answer
    x = 5,407.12

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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.