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Finding the Fourth Proportional to 5,644.08, 7,786.44 and 3,547.44

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Solution

The fourth proportional to 5,644.08, 7,786.44 and 3,547.44 is: 4,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.08 : 7,786.44 = 3,547.44 : x
  2. Step 2: Convert to fraction form
    5,644.08/7,786.44 = 3,547.44/x
  3. Step 3: Cross multiply
    5,644.08x = 7,786.44 × 3,547.44
  4. Step 4: Simplify right side
    5,644.08x = 27,621,928.71
  5. Step 5: Solve for x
    x = 27,621,928.71/5,644.08
  6. Step 6: Final answer
    x = 4,893.96

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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.