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Finding the Fourth Proportional to 7,751.93, 11,629.20 and 3,590.24

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Solution

The fourth proportional to 7,751.93, 11,629.20 and 3,590.24 is: 5,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.93 : 11,629.20 = 3,590.24 : x
  2. Step 2: Convert to fraction form
    7,751.93/11,629.20 = 3,590.24/x
  3. Step 3: Cross multiply
    7,751.93x = 11,629.20 × 3,590.24
  4. Step 4: Simplify right side
    7,751.93x = 41,751,601.06
  5. Step 5: Solve for x
    x = 41,751,601.06/7,751.93
  6. Step 6: Final answer
    x = 5,385.96

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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.