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Finding the Fourth Proportional to 8,760.47, 13,133.20 and 3,826.49

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Solution

The fourth proportional to 8,760.47, 13,133.20 and 3,826.49 is: 5,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.47 : 13,133.20 = 3,826.49 : x
  2. Step 2: Convert to fraction form
    8,760.47/13,133.20 = 3,826.49/x
  3. Step 3: Cross multiply
    8,760.47x = 13,133.20 × 3,826.49
  4. Step 4: Simplify right side
    8,760.47x = 50,254,058.47
  5. Step 5: Solve for x
    x = 50,254,058.47/8,760.47
  6. Step 6: Final answer
    x = 5,736.46

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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.