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Finding the Fourth Proportional to 7,144.52, 10,716.92 and 1,950.52

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Solution

The fourth proportional to 7,144.52, 10,716.92 and 1,950.52 is: 2,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.52 : 10,716.92 = 1,950.52 : x
  2. Step 2: Convert to fraction form
    7,144.52/10,716.92 = 1,950.52/x
  3. Step 3: Cross multiply
    7,144.52x = 10,716.92 × 1,950.52
  4. Step 4: Simplify right side
    7,144.52x = 20,903,566.80
  5. Step 5: Solve for x
    x = 20,903,566.80/7,144.52
  6. Step 6: Final answer
    x = 2,925.82

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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.