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Finding the Fourth Proportional to 3,237.31, 4,855.08 and 896.76

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Solution

The fourth proportional to 3,237.31, 4,855.08 and 896.76 is: 1,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.31 : 4,855.08 = 896.76 : x
  2. Step 2: Convert to fraction form
    3,237.31/4,855.08 = 896.76/x
  3. Step 3: Cross multiply
    3,237.31x = 4,855.08 × 896.76
  4. Step 4: Simplify right side
    3,237.31x = 4,353,841.54
  5. Step 5: Solve for x
    x = 4,353,841.54/3,237.31
  6. Step 6: Final answer
    x = 1,344.89

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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.