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Finding the Fourth Proportional to 6,271.18, 8,653.92 and 3,754.68

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Solution

The fourth proportional to 6,271.18, 8,653.92 and 3,754.68 is: 5,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.18 : 8,653.92 = 3,754.68 : x
  2. Step 2: Convert to fraction form
    6,271.18/8,653.92 = 3,754.68/x
  3. Step 3: Cross multiply
    6,271.18x = 8,653.92 × 3,754.68
  4. Step 4: Simplify right side
    6,271.18x = 32,492,700.35
  5. Step 5: Solve for x
    x = 32,492,700.35/6,271.18
  6. Step 6: Final answer
    x = 5,181.27

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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.