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Finding the Fourth Proportional to 8,860.42, 13,309.08 and 7,476.44

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Solution

The fourth proportional to 8,860.42, 13,309.08 and 7,476.44 is: 11,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.42 : 13,309.08 = 7,476.44 : x
  2. Step 2: Convert to fraction form
    8,860.42/13,309.08 = 7,476.44/x
  3. Step 3: Cross multiply
    8,860.42x = 13,309.08 × 7,476.44
  4. Step 4: Simplify right side
    8,860.42x = 99,504,443.49
  5. Step 5: Solve for x
    x = 99,504,443.49/8,860.42
  6. Step 6: Final answer
    x = 11,230.22

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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.