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Finding the Fourth Proportional to 6,329.34, 8,734.80 and 3,812.22

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Solution

The fourth proportional to 6,329.34, 8,734.80 and 3,812.22 is: 5,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329.34 : 8,734.80 = 3,812.22 : x
  2. Step 2: Convert to fraction form
    6,329.34/8,734.80 = 3,812.22/x
  3. Step 3: Cross multiply
    6,329.34x = 8,734.80 × 3,812.22
  4. Step 4: Simplify right side
    6,329.34x = 33,298,979.26
  5. Step 5: Solve for x
    x = 33,298,979.26/6,329.34
  6. Step 6: Final answer
    x = 5,261.05

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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.