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Finding the Fourth Proportional to 6,806.90, 9,392.90 and 3,823.04

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Solution

The fourth proportional to 6,806.90, 9,392.90 and 3,823.04 is: 5,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.90 : 9,392.90 = 3,823.04 : x
  2. Step 2: Convert to fraction form
    6,806.90/9,392.90 = 3,823.04/x
  3. Step 3: Cross multiply
    6,806.90x = 9,392.90 × 3,823.04
  4. Step 4: Simplify right side
    6,806.90x = 35,909,432.42
  5. Step 5: Solve for x
    x = 35,909,432.42/6,806.90
  6. Step 6: Final answer
    x = 5,275.45

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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.