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Finding the Fourth Proportional to 45,274.68, 67,918.22 and 17,197.70

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Solution

The fourth proportional to 45,274.68, 67,918.22 and 17,197.70 is: 25,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,274.68 : 67,918.22 = 17,197.70 : x
  2. Step 2: Convert to fraction form
    45,274.68/67,918.22 = 17,197.70/x
  3. Step 3: Cross multiply
    45,274.68x = 67,918.22 × 17,197.70
  4. Step 4: Simplify right side
    45,274.68x = 1,168,037,172.09
  5. Step 5: Solve for x
    x = 1,168,037,172.09/45,274.68
  6. Step 6: Final answer
    x = 25,798.91

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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.