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Finding the Fourth Proportional to 3,369.74, 4,650.29 and 1,953.51

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Solution

The fourth proportional to 3,369.74, 4,650.29 and 1,953.51 is: 2,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.74 : 4,650.29 = 1,953.51 : x
  2. Step 2: Convert to fraction form
    3,369.74/4,650.29 = 1,953.51/x
  3. Step 3: Cross multiply
    3,369.74x = 4,650.29 × 1,953.51
  4. Step 4: Simplify right side
    3,369.74x = 9,084,392.90
  5. Step 5: Solve for x
    x = 9,084,392.90/3,369.74
  6. Step 6: Final answer
    x = 2,695.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.