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Finding the Fourth Proportional to 19,396.85, 29,097.99 and 6,913.17

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Solution

The fourth proportional to 19,396.85, 29,097.99 and 6,913.17 is: 10,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.85 : 29,097.99 = 6,913.17 : x
  2. Step 2: Convert to fraction form
    19,396.85/29,097.99 = 6,913.17/x
  3. Step 3: Cross multiply
    19,396.85x = 29,097.99 × 6,913.17
  4. Step 4: Simplify right side
    19,396.85x = 201,159,351.53
  5. Step 5: Solve for x
    x = 201,159,351.53/19,396.85
  6. Step 6: Final answer
    x = 10,370.73

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1.5x scale

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.