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Finding the Fourth Proportional to 3,201.17, 4,801.76 and 892.67

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Solution

The fourth proportional to 3,201.17, 4,801.76 and 892.67 is: 1,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.17 : 4,801.76 = 892.67 : x
  2. Step 2: Convert to fraction form
    3,201.17/4,801.76 = 892.67/x
  3. Step 3: Cross multiply
    3,201.17x = 4,801.76 × 892.67
  4. Step 4: Simplify right side
    3,201.17x = 4,286,387.10
  5. Step 5: Solve for x
    x = 4,286,387.10/3,201.17
  6. Step 6: Final answer
    x = 1,339.01

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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.