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Finding the Fourth Proportional to 19,600.68, 29,392.10 and 11,706.70

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Solution

The fourth proportional to 19,600.68, 29,392.10 and 11,706.70 is: 17,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.68 : 29,392.10 = 11,706.70 : x
  2. Step 2: Convert to fraction form
    19,600.68/29,392.10 = 11,706.70/x
  3. Step 3: Cross multiply
    19,600.68x = 29,392.10 × 11,706.70
  4. Step 4: Simplify right side
    19,600.68x = 344,084,497.07
  5. Step 5: Solve for x
    x = 344,084,497.07/19,600.68
  6. Step 6: Final answer
    x = 17,554.72

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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.