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Finding the Fourth Proportional to 19,396.61, 29,107.67 and 10,637.67

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Solution

The fourth proportional to 19,396.61, 29,107.67 and 10,637.67 is: 15,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.61 : 29,107.67 = 10,637.67 : x
  2. Step 2: Convert to fraction form
    19,396.61/29,107.67 = 10,637.67/x
  3. Step 3: Cross multiply
    19,396.61x = 29,107.67 × 10,637.67
  4. Step 4: Simplify right side
    19,396.61x = 309,637,903.73
  5. Step 5: Solve for x
    x = 309,637,903.73/19,396.61
  6. Step 6: Final answer
    x = 15,963.51

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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.