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Finding the Fourth Proportional to 6,763.93, 9,334.64 and 3,779.98

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Solution

The fourth proportional to 6,763.93, 9,334.64 and 3,779.98 is: 5,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.93 : 9,334.64 = 3,779.98 : x
  2. Step 2: Convert to fraction form
    6,763.93/9,334.64 = 3,779.98/x
  3. Step 3: Cross multiply
    6,763.93x = 9,334.64 × 3,779.98
  4. Step 4: Simplify right side
    6,763.93x = 35,284,752.51
  5. Step 5: Solve for x
    x = 35,284,752.51/6,763.93
  6. Step 6: Final answer
    x = 5,216.61

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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.