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Finding the Fourth Proportional to 19,583.62, 29,375.38 and 7,103.62

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Solution

The fourth proportional to 19,583.62, 29,375.38 and 7,103.62 is: 10,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.62 : 29,375.38 = 7,103.62 : x
  2. Step 2: Convert to fraction form
    19,583.62/29,375.38 = 7,103.62/x
  3. Step 3: Cross multiply
    19,583.62x = 29,375.38 × 7,103.62
  4. Step 4: Simplify right side
    19,583.62x = 208,671,685.07
  5. Step 5: Solve for x
    x = 208,671,685.07/19,583.62
  6. Step 6: Final answer
    x = 10,655.42

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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.