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Finding the Fourth Proportional to 19,736.68, 29,616.68 and 7,265.46

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Solution

The fourth proportional to 19,736.68, 29,616.68 and 7,265.46 is: 10,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.68 : 29,616.68 = 7,265.46 : x
  2. Step 2: Convert to fraction form
    19,736.68/29,616.68 = 7,265.46/x
  3. Step 3: Cross multiply
    19,736.68x = 29,616.68 × 7,265.46
  4. Step 4: Simplify right side
    19,736.68x = 215,178,803.87
  5. Step 5: Solve for x
    x = 215,178,803.87/19,736.68
  6. Step 6: Final answer
    x = 10,902.48

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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.