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Finding the Fourth Proportional to 5,250.94, 7,879.16 and 4,948.41

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Solution

The fourth proportional to 5,250.94, 7,879.16 and 4,948.41 is: 7,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.94 : 7,879.16 = 4,948.41 : x
  2. Step 2: Convert to fraction form
    5,250.94/7,879.16 = 4,948.41/x
  3. Step 3: Cross multiply
    5,250.94x = 7,879.16 × 4,948.41
  4. Step 4: Simplify right side
    5,250.94x = 38,989,314.14
  5. Step 5: Solve for x
    x = 38,989,314.14/5,250.94
  6. Step 6: Final answer
    x = 7,425.21

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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.