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Finding the Fourth Proportional to 6,550.58, 9,039.93 and 5,135.96

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Solution

The fourth proportional to 6,550.58, 9,039.93 and 5,135.96 is: 7,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.58 : 9,039.93 = 5,135.96 : x
  2. Step 2: Convert to fraction form
    6,550.58/9,039.93 = 5,135.96/x
  3. Step 3: Cross multiply
    6,550.58x = 9,039.93 × 5,135.96
  4. Step 4: Simplify right side
    6,550.58x = 46,428,718.88
  5. Step 5: Solve for x
    x = 46,428,718.88/6,550.58
  6. Step 6: Final answer
    x = 7,087.73

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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.