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Finding the Fourth Proportional to 5,858.46, 8,790.12 and 1,963.17

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Solution

The fourth proportional to 5,858.46, 8,790.12 and 1,963.17 is: 2,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.46 : 8,790.12 = 1,963.17 : x
  2. Step 2: Convert to fraction form
    5,858.46/8,790.12 = 1,963.17/x
  3. Step 3: Cross multiply
    5,858.46x = 8,790.12 × 1,963.17
  4. Step 4: Simplify right side
    5,858.46x = 17,256,499.88
  5. Step 5: Solve for x
    x = 17,256,499.88/5,858.46
  6. Step 6: Final answer
    x = 2,945.57

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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.