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Finding the Fourth Proportional to 7,194.75, 9,928.60 and 4,050.87

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Solution

The fourth proportional to 7,194.75, 9,928.60 and 4,050.87 is: 5,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.75 : 9,928.60 = 4,050.87 : x
  2. Step 2: Convert to fraction form
    7,194.75/9,928.60 = 4,050.87/x
  3. Step 3: Cross multiply
    7,194.75x = 9,928.60 × 4,050.87
  4. Step 4: Simplify right side
    7,194.75x = 40,219,467.88
  5. Step 5: Solve for x
    x = 40,219,467.88/7,194.75
  6. Step 6: Final answer
    x = 5,590.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.