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Finding the Fourth Proportional to 7,893.33, 11,836.55 and 4,194.67

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Solution

The fourth proportional to 7,893.33, 11,836.55 and 4,194.67 is: 6,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.33 : 11,836.55 = 4,194.67 : x
  2. Step 2: Convert to fraction form
    7,893.33/11,836.55 = 4,194.67/x
  3. Step 3: Cross multiply
    7,893.33x = 11,836.55 × 4,194.67
  4. Step 4: Simplify right side
    7,893.33x = 49,650,421.19
  5. Step 5: Solve for x
    x = 49,650,421.19/7,893.33
  6. Step 6: Final answer
    x = 6,290.17

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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.