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Finding the Fourth Proportional to 5,754.79, 8,632.23 and 1,859.20

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Solution

The fourth proportional to 5,754.79, 8,632.23 and 1,859.20 is: 2,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,754.79 : 8,632.23 = 1,859.20 : x
  2. Step 2: Convert to fraction form
    5,754.79/8,632.23 = 1,859.20/x
  3. Step 3: Cross multiply
    5,754.79x = 8,632.23 × 1,859.20
  4. Step 4: Simplify right side
    5,754.79x = 16,049,042.02
  5. Step 5: Solve for x
    x = 16,049,042.02/5,754.79
  6. Step 6: Final answer
    x = 2,788.81

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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.