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Finding the Fourth Proportional to 3,768.39, 5,650.61 and 1,302.63

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Solution

The fourth proportional to 3,768.39, 5,650.61 and 1,302.63 is: 1,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.39 : 5,650.61 = 1,302.63 : x
  2. Step 2: Convert to fraction form
    3,768.39/5,650.61 = 1,302.63/x
  3. Step 3: Cross multiply
    3,768.39x = 5,650.61 × 1,302.63
  4. Step 4: Simplify right side
    3,768.39x = 7,360,665.51
  5. Step 5: Solve for x
    x = 7,360,665.51/3,768.39
  6. Step 6: Final answer
    x = 1,953.27

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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.