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Finding the Fourth Proportional to 8,992.16, 13,489.06 and 2,418.20

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Solution

The fourth proportional to 8,992.16, 13,489.06 and 2,418.20 is: 3,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.16 : 13,489.06 = 2,418.20 : x
  2. Step 2: Convert to fraction form
    8,992.16/13,489.06 = 2,418.20/x
  3. Step 3: Cross multiply
    8,992.16x = 13,489.06 × 2,418.20
  4. Step 4: Simplify right side
    8,992.16x = 32,619,244.89
  5. Step 5: Solve for x
    x = 32,619,244.89/8,992.16
  6. Step 6: Final answer
    x = 3,627.52

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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.