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Finding the Fourth Proportional to 11,706.53, 17,559.53 and 3,272.81

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Solution

The fourth proportional to 11,706.53, 17,559.53 and 3,272.81 is: 4,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,706.53 : 17,559.53 = 3,272.81 : x
  2. Step 2: Convert to fraction form
    11,706.53/17,559.53 = 3,272.81/x
  3. Step 3: Cross multiply
    11,706.53x = 17,559.53 × 3,272.81
  4. Step 4: Simplify right side
    11,706.53x = 57,468,931.90
  5. Step 5: Solve for x
    x = 57,468,931.90/11,706.53
  6. Step 6: Final answer
    x = 4,909.14

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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.