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Finding the Fourth Proportional to 9,079.70, 13,619.55 and 9,022.10

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Solution

The fourth proportional to 9,079.70, 13,619.55 and 9,022.10 is: 13,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.70 : 13,619.55 = 9,022.10 : x
  2. Step 2: Convert to fraction form
    9,079.70/13,619.55 = 9,022.10/x
  3. Step 3: Cross multiply
    9,079.70x = 13,619.55 × 9,022.10
  4. Step 4: Simplify right side
    9,079.70x = 122,876,942.06
  5. Step 5: Solve for x
    x = 122,876,942.06/9,079.70
  6. Step 6: Final answer
    x = 13,533.15

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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.