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Finding the Fourth Proportional to 2,201.65, 3,301.51 and 832.69

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Solution

The fourth proportional to 2,201.65, 3,301.51 and 832.69 is: 1,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.65 : 3,301.51 = 832.69 : x
  2. Step 2: Convert to fraction form
    2,201.65/3,301.51 = 832.69/x
  3. Step 3: Cross multiply
    2,201.65x = 3,301.51 × 832.69
  4. Step 4: Simplify right side
    2,201.65x = 2,749,127.15
  5. Step 5: Solve for x
    x = 2,749,127.15/2,201.65
  6. Step 6: Final answer
    x = 1,248.67

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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.