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Finding the Fourth Proportional to 14,314.11, 21,443.46 and 8,055.10

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Solution

The fourth proportional to 14,314.11, 21,443.46 and 8,055.10 is: 12,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.11 : 21,443.46 = 8,055.10 : x
  2. Step 2: Convert to fraction form
    14,314.11/21,443.46 = 8,055.10/x
  3. Step 3: Cross multiply
    14,314.11x = 21,443.46 × 8,055.10
  4. Step 4: Simplify right side
    14,314.11x = 172,729,214.65
  5. Step 5: Solve for x
    x = 172,729,214.65/14,314.11
  6. Step 6: Final answer
    x = 12,067.06

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Half scale
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Double scale
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Similar ratio
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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.