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Finding the Fourth Proportional to 11,685.25, 17,527.88 and 3,477.25

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Solution

The fourth proportional to 11,685.25, 17,527.88 and 3,477.25 is: 5,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.25 : 17,527.88 = 3,477.25 : x
  2. Step 2: Convert to fraction form
    11,685.25/17,527.88 = 3,477.25/x
  3. Step 3: Cross multiply
    11,685.25x = 17,527.88 × 3,477.25
  4. Step 4: Simplify right side
    11,685.25x = 60,948,803.34
  5. Step 5: Solve for x
    x = 60,948,803.34/11,685.25
  6. Step 6: Final answer
    x = 5,215.88

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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.