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Finding the Fourth Proportional to 6,893, 10,326.39 and 3,933.50

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Solution

The fourth proportional to 6,893, 10,326.39 and 3,933.50 is: 5,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893 : 10,326.39 = 3,933.50 : x
  2. Step 2: Convert to fraction form
    6,893/10,326.39 = 3,933.50/x
  3. Step 3: Cross multiply
    6,893x = 10,326.39 × 3,933.50
  4. Step 4: Simplify right side
    6,893x = 40,618,855.07
  5. Step 5: Solve for x
    x = 40,618,855.07/6,893
  6. Step 6: Final answer
    x = 5,892.77

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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.