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Finding the Fourth Proportional to 19,687.34, 29,520.06 and 6,532.53

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Solution

The fourth proportional to 19,687.34, 29,520.06 and 6,532.53 is: 9,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.34 : 29,520.06 = 6,532.53 : x
  2. Step 2: Convert to fraction form
    19,687.34/29,520.06 = 6,532.53/x
  3. Step 3: Cross multiply
    19,687.34x = 29,520.06 × 6,532.53
  4. Step 4: Simplify right side
    19,687.34x = 192,840,677.55
  5. Step 5: Solve for x
    x = 192,840,677.55/19,687.34
  6. Step 6: Final answer
    x = 9,795.16

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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.