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Finding the Fourth Proportional to 7,954.22, 11,931.33 and 2,482.22

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Solution

The fourth proportional to 7,954.22, 11,931.33 and 2,482.22 is: 3,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.22 : 11,931.33 = 2,482.22 : x
  2. Step 2: Convert to fraction form
    7,954.22/11,931.33 = 2,482.22/x
  3. Step 3: Cross multiply
    7,954.22x = 11,931.33 × 2,482.22
  4. Step 4: Simplify right side
    7,954.22x = 29,616,185.95
  5. Step 5: Solve for x
    x = 29,616,185.95/7,954.22
  6. Step 6: Final answer
    x = 3,723.33

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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.