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Finding the Fourth Proportional to 8,544.70, 12,817.44 and 2,621.16

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Solution

The fourth proportional to 8,544.70, 12,817.44 and 2,621.16 is: 3,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.70 : 12,817.44 = 2,621.16 : x
  2. Step 2: Convert to fraction form
    8,544.70/12,817.44 = 2,621.16/x
  3. Step 3: Cross multiply
    8,544.70x = 12,817.44 × 2,621.16
  4. Step 4: Simplify right side
    8,544.70x = 33,596,561.03
  5. Step 5: Solve for x
    x = 33,596,561.03/8,544.70
  6. Step 6: Final answer
    x = 3,931.86

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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.