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Finding the Fourth Proportional to 3,969.24, 5,953.05 and 1,503.21

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Solution

The fourth proportional to 3,969.24, 5,953.05 and 1,503.21 is: 2,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.24 : 5,953.05 = 1,503.21 : x
  2. Step 2: Convert to fraction form
    3,969.24/5,953.05 = 1,503.21/x
  3. Step 3: Cross multiply
    3,969.24x = 5,953.05 × 1,503.21
  4. Step 4: Simplify right side
    3,969.24x = 8,948,684.29
  5. Step 5: Solve for x
    x = 8,948,684.29/3,969.24
  6. Step 6: Final answer
    x = 2,254.51

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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.