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Finding the Fourth Proportional to 5,859.36, 8,791.12 and 1,963.76

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Solution

The fourth proportional to 5,859.36, 8,791.12 and 1,963.76 is: 2,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.36 : 8,791.12 = 1,963.76 : x
  2. Step 2: Convert to fraction form
    5,859.36/8,791.12 = 1,963.76/x
  3. Step 3: Cross multiply
    5,859.36x = 8,791.12 × 1,963.76
  4. Step 4: Simplify right side
    5,859.36x = 17,263,649.81
  5. Step 5: Solve for x
    x = 17,263,649.81/5,859.36
  6. Step 6: Final answer
    x = 2,946.34

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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.