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Finding the Fourth Proportional to 45,672.72, 68,467.54 and 17,574.84

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Solution

The fourth proportional to 45,672.72, 68,467.54 and 17,574.84 is: 26,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,672.72 : 68,467.54 = 17,574.84 : x
  2. Step 2: Convert to fraction form
    45,672.72/68,467.54 = 17,574.84/x
  3. Step 3: Cross multiply
    45,672.72x = 68,467.54 × 17,574.84
  4. Step 4: Simplify right side
    45,672.72x = 1,203,306,060.69
  5. Step 5: Solve for x
    x = 1,203,306,060.69/45,672.72
  6. Step 6: Final answer
    x = 26,346.28

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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.