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Finding the Fourth Proportional to 19,797.53, 29,696.61 and 6,650.01

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Solution

The fourth proportional to 19,797.53, 29,696.61 and 6,650.01 is: 9,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.53 : 29,696.61 = 6,650.01 : x
  2. Step 2: Convert to fraction form
    19,797.53/29,696.61 = 6,650.01/x
  3. Step 3: Cross multiply
    19,797.53x = 29,696.61 × 6,650.01
  4. Step 4: Simplify right side
    19,797.53x = 197,482,753.47
  5. Step 5: Solve for x
    x = 197,482,753.47/19,797.53
  6. Step 6: Final answer
    x = 9,975.12

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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.