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Finding the Fourth Proportional to 8,993.14, 12,410.48 and 5,014.28

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Solution

The fourth proportional to 8,993.14, 12,410.48 and 5,014.28 is: 6,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.14 : 12,410.48 = 5,014.28 : x
  2. Step 2: Convert to fraction form
    8,993.14/12,410.48 = 5,014.28/x
  3. Step 3: Cross multiply
    8,993.14x = 12,410.48 × 5,014.28
  4. Step 4: Simplify right side
    8,993.14x = 62,229,621.65
  5. Step 5: Solve for x
    x = 62,229,621.65/8,993.14
  6. Step 6: Final answer
    x = 6,919.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.