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Finding the Fourth Proportional to 11,605.56, 17,409.56 and 3,706.22

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Solution

The fourth proportional to 11,605.56, 17,409.56 and 3,706.22 is: 5,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.56 : 17,409.56 = 3,706.22 : x
  2. Step 2: Convert to fraction form
    11,605.56/17,409.56 = 3,706.22/x
  3. Step 3: Cross multiply
    11,605.56x = 17,409.56 × 3,706.22
  4. Step 4: Simplify right side
    11,605.56x = 64,523,626.72
  5. Step 5: Solve for x
    x = 64,523,626.72/11,605.56
  6. Step 6: Final answer
    x = 5,559.72

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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.