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Finding the Fourth Proportional to 6,274.32, 8,658.12 and 3,621.24

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Solution

The fourth proportional to 6,274.32, 8,658.12 and 3,621.24 is: 4,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274.32 : 8,658.12 = 3,621.24 : x
  2. Step 2: Convert to fraction form
    6,274.32/8,658.12 = 3,621.24/x
  3. Step 3: Cross multiply
    6,274.32x = 8,658.12 × 3,621.24
  4. Step 4: Simplify right side
    6,274.32x = 31,353,130.47
  5. Step 5: Solve for x
    x = 31,353,130.47/6,274.32
  6. Step 6: Final answer
    x = 4,997.06

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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.