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Finding the Fourth Proportional to 8,570.25, 12,844.44 and 4,874.22

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Solution

The fourth proportional to 8,570.25, 12,844.44 and 4,874.22 is: 7,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.25 : 12,844.44 = 4,874.22 : x
  2. Step 2: Convert to fraction form
    8,570.25/12,844.44 = 4,874.22/x
  3. Step 3: Cross multiply
    8,570.25x = 12,844.44 × 4,874.22
  4. Step 4: Simplify right side
    8,570.25x = 62,606,626.34
  5. Step 5: Solve for x
    x = 62,606,626.34/8,570.25
  6. Step 6: Final answer
    x = 7,305.11

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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.