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Finding the Fourth Proportional to 6,886.45, 9,499.84 and 4,367.89

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Solution

The fourth proportional to 6,886.45, 9,499.84 and 4,367.89 is: 6,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.45 : 9,499.84 = 4,367.89 : x
  2. Step 2: Convert to fraction form
    6,886.45/9,499.84 = 4,367.89/x
  3. Step 3: Cross multiply
    6,886.45x = 9,499.84 × 4,367.89
  4. Step 4: Simplify right side
    6,886.45x = 41,494,256.14
  5. Step 5: Solve for x
    x = 41,494,256.14/6,886.45
  6. Step 6: Final answer
    x = 6,025.49

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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.