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Finding the Fourth Proportional to 8,972.44, 13,460.83 and 2,816.44

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Solution

The fourth proportional to 8,972.44, 13,460.83 and 2,816.44 is: 4,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.44 : 13,460.83 = 2,816.44 : x
  2. Step 2: Convert to fraction form
    8,972.44/13,460.83 = 2,816.44/x
  3. Step 3: Cross multiply
    8,972.44x = 13,460.83 × 2,816.44
  4. Step 4: Simplify right side
    8,972.44x = 37,911,579.35
  5. Step 5: Solve for x
    x = 37,911,579.35/8,972.44
  6. Step 6: Final answer
    x = 4,225.34

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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.