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Finding the Fourth Proportional to 8,962.09, 13,443.10 and 2,806.09

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Solution

The fourth proportional to 8,962.09, 13,443.10 and 2,806.09 is: 4,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.09 : 13,443.10 = 2,806.09 : x
  2. Step 2: Convert to fraction form
    8,962.09/13,443.10 = 2,806.09/x
  3. Step 3: Cross multiply
    8,962.09x = 13,443.10 × 2,806.09
  4. Step 4: Simplify right side
    8,962.09x = 37,722,548.48
  5. Step 5: Solve for x
    x = 37,722,548.48/8,962.09
  6. Step 6: Final answer
    x = 4,209.12

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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.