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Finding the Fourth Proportional to 6,178.16, 8,525.76 and 3,525.56

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Solution

The fourth proportional to 6,178.16, 8,525.76 and 3,525.56 is: 4,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.16 : 8,525.76 = 3,525.56 : x
  2. Step 2: Convert to fraction form
    6,178.16/8,525.76 = 3,525.56/x
  3. Step 3: Cross multiply
    6,178.16x = 8,525.76 × 3,525.56
  4. Step 4: Simplify right side
    6,178.16x = 30,058,078.43
  5. Step 5: Solve for x
    x = 30,058,078.43/6,178.16
  6. Step 6: Final answer
    x = 4,865.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.