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Finding the Fourth Proportional to 9,062.75, 13,599.60 and 3,218.91

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Solution

The fourth proportional to 9,062.75, 13,599.60 and 3,218.91 is: 4,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.75 : 13,599.60 = 3,218.91 : x
  2. Step 2: Convert to fraction form
    9,062.75/13,599.60 = 3,218.91/x
  3. Step 3: Cross multiply
    9,062.75x = 13,599.60 × 3,218.91
  4. Step 4: Simplify right side
    9,062.75x = 43,775,825.37
  5. Step 5: Solve for x
    x = 43,775,825.37/9,062.75
  6. Step 6: Final answer
    x = 4,830.30

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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.