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Finding the Fourth Proportional to 45,275.68, 67,919.72 and 17,198.70

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Solution

The fourth proportional to 45,275.68, 67,919.72 and 17,198.70 is: 25,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,275.68 : 67,919.72 = 17,198.70 : x
  2. Step 2: Convert to fraction form
    45,275.68/67,919.72 = 17,198.70/x
  3. Step 3: Cross multiply
    45,275.68x = 67,919.72 × 17,198.70
  4. Step 4: Simplify right side
    45,275.68x = 1,168,130,888.36
  5. Step 5: Solve for x
    x = 1,168,130,888.36/45,275.68
  6. Step 6: Final answer
    x = 25,800.41

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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.