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Finding the Fourth Proportional to 6,521.93, 9,766.20 and 3,596.99

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Solution

The fourth proportional to 6,521.93, 9,766.20 and 3,596.99 is: 5,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.93 : 9,766.20 = 3,596.99 : x
  2. Step 2: Convert to fraction form
    6,521.93/9,766.20 = 3,596.99/x
  3. Step 3: Cross multiply
    6,521.93x = 9,766.20 × 3,596.99
  4. Step 4: Simplify right side
    6,521.93x = 35,128,923.74
  5. Step 5: Solve for x
    x = 35,128,923.74/6,521.93
  6. Step 6: Final answer
    x = 5,386.28

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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.