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Finding the Fourth Proportional to 19,583.45, 29,375.17 and 7,100.64

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Solution

The fourth proportional to 19,583.45, 29,375.17 and 7,100.64 is: 10,650.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.45 : 29,375.17 = 7,100.64 : x
  2. Step 2: Convert to fraction form
    19,583.45/29,375.17 = 7,100.64/x
  3. Step 3: Cross multiply
    19,583.45x = 29,375.17 × 7,100.64
  4. Step 4: Simplify right side
    19,583.45x = 208,582,507.11
  5. Step 5: Solve for x
    x = 208,582,507.11/19,583.45
  6. Step 6: Final answer
    x = 10,650.96

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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.