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Finding the Fourth Proportional to 7,144.44, 10,716.60 and 1,950.32

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Solution

The fourth proportional to 7,144.44, 10,716.60 and 1,950.32 is: 2,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.44 : 10,716.60 = 1,950.32 : x
  2. Step 2: Convert to fraction form
    7,144.44/10,716.60 = 1,950.32/x
  3. Step 3: Cross multiply
    7,144.44x = 10,716.60 × 1,950.32
  4. Step 4: Simplify right side
    7,144.44x = 20,900,799.31
  5. Step 5: Solve for x
    x = 20,900,799.31/7,144.44
  6. Step 6: Final answer
    x = 2,925.46

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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.