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Finding the Fourth Proportional to 25,411.94, 38,115.02 and 6,693.44

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Solution

The fourth proportional to 25,411.94, 38,115.02 and 6,693.44 is: 10,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.94 : 38,115.02 = 6,693.44 : x
  2. Step 2: Convert to fraction form
    25,411.94/38,115.02 = 6,693.44/x
  3. Step 3: Cross multiply
    25,411.94x = 38,115.02 × 6,693.44
  4. Step 4: Simplify right side
    25,411.94x = 255,120,375.43
  5. Step 5: Solve for x
    x = 255,120,375.43/25,411.94
  6. Step 6: Final answer
    x = 10,039.39

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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.