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Finding the Fourth Proportional to 3,369.36, 4,648.74 and 1,953.48

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Solution

The fourth proportional to 3,369.36, 4,648.74 and 1,953.48 is: 2,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.36 : 4,648.74 = 1,953.48 : x
  2. Step 2: Convert to fraction form
    3,369.36/4,648.74 = 1,953.48/x
  3. Step 3: Cross multiply
    3,369.36x = 4,648.74 × 1,953.48
  4. Step 4: Simplify right side
    3,369.36x = 9,081,220.62
  5. Step 5: Solve for x
    x = 9,081,220.62/3,369.36
  6. Step 6: Final answer
    x = 2,695.24

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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.