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Finding the Fourth Proportional to 13,710.53, 20,566.53 and 4,351.30

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Solution

The fourth proportional to 13,710.53, 20,566.53 and 4,351.30 is: 6,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.53 : 20,566.53 = 4,351.30 : x
  2. Step 2: Convert to fraction form
    13,710.53/20,566.53 = 4,351.30/x
  3. Step 3: Cross multiply
    13,710.53x = 20,566.53 × 4,351.30
  4. Step 4: Simplify right side
    13,710.53x = 89,491,090.57
  5. Step 5: Solve for x
    x = 89,491,090.57/13,710.53
  6. Step 6: Final answer
    x = 6,527.18

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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.