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Finding the Fourth Proportional to 6,199.71, 8,555.66 and 3,367.11

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Solution

The fourth proportional to 6,199.71, 8,555.66 and 3,367.11 is: 4,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.71 : 8,555.66 = 3,367.11 : x
  2. Step 2: Convert to fraction form
    6,199.71/8,555.66 = 3,367.11/x
  3. Step 3: Cross multiply
    6,199.71x = 8,555.66 × 3,367.11
  4. Step 4: Simplify right side
    6,199.71x = 28,807,848.34
  5. Step 5: Solve for x
    x = 28,807,848.34/6,199.71
  6. Step 6: Final answer
    x = 4,646.64

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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.