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Finding the Fourth Proportional to 3,479.91, 4,806.50 and 2,534.21

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Solution

The fourth proportional to 3,479.91, 4,806.50 and 2,534.21 is: 3,500.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.91 : 4,806.50 = 2,534.21 : x
  2. Step 2: Convert to fraction form
    3,479.91/4,806.50 = 2,534.21/x
  3. Step 3: Cross multiply
    3,479.91x = 4,806.50 × 2,534.21
  4. Step 4: Simplify right side
    3,479.91x = 12,180,643.66
  5. Step 5: Solve for x
    x = 12,180,643.66/3,479.91
  6. Step 6: Final answer
    x = 3,500.28

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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.