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Finding the Fourth Proportional to 2,192.63, 3,289.17 and 632.67

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Solution

The fourth proportional to 2,192.63, 3,289.17 and 632.67 is: 949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.63 : 3,289.17 = 632.67 : x
  2. Step 2: Convert to fraction form
    2,192.63/3,289.17 = 632.67/x
  3. Step 3: Cross multiply
    2,192.63x = 3,289.17 × 632.67
  4. Step 4: Simplify right side
    2,192.63x = 2,080,956.02
  5. Step 5: Solve for x
    x = 2,080,956.02/2,192.63
  6. Step 6: Final answer
    x = 949.07

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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.