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Finding the Fourth Proportional to 3,480.76, 4,806.30 and 2,703.16

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Solution

The fourth proportional to 3,480.76, 4,806.30 and 2,703.16 is: 3,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.76 : 4,806.30 = 2,703.16 : x
  2. Step 2: Convert to fraction form
    3,480.76/4,806.30 = 2,703.16/x
  3. Step 3: Cross multiply
    3,480.76x = 4,806.30 × 2,703.16
  4. Step 4: Simplify right side
    3,480.76x = 12,992,197.91
  5. Step 5: Solve for x
    x = 12,992,197.91/3,480.76
  6. Step 6: Final answer
    x = 3,732.58

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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.