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Finding the Fourth Proportional to 45,672.71, 68,467.55 and 17,574.84

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Solution

The fourth proportional to 45,672.71, 68,467.55 and 17,574.84 is: 26,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,672.71 : 68,467.55 = 17,574.84 : x
  2. Step 2: Convert to fraction form
    45,672.71/68,467.55 = 17,574.84/x
  3. Step 3: Cross multiply
    45,672.71x = 68,467.55 × 17,574.84
  4. Step 4: Simplify right side
    45,672.71x = 1,203,306,236.44
  5. Step 5: Solve for x
    x = 1,203,306,236.44/45,672.71
  6. Step 6: Final answer
    x = 26,346.29

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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.