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Finding the Fourth Proportional to 11,605.25, 17,410.76 and 3,397.25

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Solution

The fourth proportional to 11,605.25, 17,410.76 and 3,397.25 is: 5,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.25 : 17,410.76 = 3,397.25 : x
  2. Step 2: Convert to fraction form
    11,605.25/17,410.76 = 3,397.25/x
  3. Step 3: Cross multiply
    11,605.25x = 17,410.76 × 3,397.25
  4. Step 4: Simplify right side
    11,605.25x = 59,148,704.41
  5. Step 5: Solve for x
    x = 59,148,704.41/11,605.25
  6. Step 6: Final answer
    x = 5,096.72

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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.