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Finding the Fourth Proportional to 5,611.16, 7,743.06 and 3,252.84

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Solution

The fourth proportional to 5,611.16, 7,743.06 and 3,252.84 is: 4,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.16 : 7,743.06 = 3,252.84 : x
  2. Step 2: Convert to fraction form
    5,611.16/7,743.06 = 3,252.84/x
  3. Step 3: Cross multiply
    5,611.16x = 7,743.06 × 3,252.84
  4. Step 4: Simplify right side
    5,611.16x = 25,186,935.29
  5. Step 5: Solve for x
    x = 25,186,935.29/5,611.16
  6. Step 6: Final answer
    x = 4,488.72

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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.