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Finding the Fourth Proportional to 8,173.72, 12,260.58 and 2,330.32

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Solution

The fourth proportional to 8,173.72, 12,260.58 and 2,330.32 is: 3,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.72 : 12,260.58 = 2,330.32 : x
  2. Step 2: Convert to fraction form
    8,173.72/12,260.58 = 2,330.32/x
  3. Step 3: Cross multiply
    8,173.72x = 12,260.58 × 2,330.32
  4. Step 4: Simplify right side
    8,173.72x = 28,571,074.79
  5. Step 5: Solve for x
    x = 28,571,074.79/8,173.72
  6. Step 6: Final answer
    x = 3,495.48

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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.