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Finding the Fourth Proportional to 1,894.80, 2,842.60 and 596.36

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Solution

The fourth proportional to 1,894.80, 2,842.60 and 596.36 is: 894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.80 : 2,842.60 = 596.36 : x
  2. Step 2: Convert to fraction form
    1,894.80/2,842.60 = 596.36/x
  3. Step 3: Cross multiply
    1,894.80x = 2,842.60 × 596.36
  4. Step 4: Simplify right side
    1,894.80x = 1,695,212.94
  5. Step 5: Solve for x
    x = 1,695,212.94/1,894.80
  6. Step 6: Final answer
    x = 894.67

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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.