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Finding the Fourth Proportional to 7,594.40, 11,390.16 and 2,662.88

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Solution

The fourth proportional to 7,594.40, 11,390.16 and 2,662.88 is: 3,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,594.40 : 11,390.16 = 2,662.88 : x
  2. Step 2: Convert to fraction form
    7,594.40/11,390.16 = 2,662.88/x
  3. Step 3: Cross multiply
    7,594.40x = 11,390.16 × 2,662.88
  4. Step 4: Simplify right side
    7,594.40x = 30,330,629.26
  5. Step 5: Solve for x
    x = 30,330,629.26/7,594.40
  6. Step 6: Final answer
    x = 3,993.82

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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.