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Finding the Fourth Proportional to 4,476.80, 6,700.80 and 3,497.60

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Solution

The fourth proportional to 4,476.80, 6,700.80 and 3,497.60 is: 5,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.80 : 6,700.80 = 3,497.60 : x
  2. Step 2: Convert to fraction form
    4,476.80/6,700.80 = 3,497.60/x
  3. Step 3: Cross multiply
    4,476.80x = 6,700.80 × 3,497.60
  4. Step 4: Simplify right side
    4,476.80x = 23,436,718.08
  5. Step 5: Solve for x
    x = 23,436,718.08/4,476.80
  6. Step 6: Final answer
    x = 5,235.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.