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Finding the Fourth Proportional to 9,146.82, 13,720.22 and 2,573.01

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Solution

The fourth proportional to 9,146.82, 13,720.22 and 2,573.01 is: 3,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.82 : 13,720.22 = 2,573.01 : x
  2. Step 2: Convert to fraction form
    9,146.82/13,720.22 = 2,573.01/x
  3. Step 3: Cross multiply
    9,146.82x = 13,720.22 × 2,573.01
  4. Step 4: Simplify right side
    9,146.82x = 35,302,260.05
  5. Step 5: Solve for x
    x = 35,302,260.05/9,146.82
  6. Step 6: Final answer
    x = 3,859.51

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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.