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Finding the Fourth Proportional to 1,103.94, 1,656.99 and 584.73

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Solution

The fourth proportional to 1,103.94, 1,656.99 and 584.73 is: 877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.94 : 1,656.99 = 584.73 : x
  2. Step 2: Convert to fraction form
    1,103.94/1,656.99 = 584.73/x
  3. Step 3: Cross multiply
    1,103.94x = 1,656.99 × 584.73
  4. Step 4: Simplify right side
    1,103.94x = 968,891.76
  5. Step 5: Solve for x
    x = 968,891.76/1,103.94
  6. Step 6: Final answer
    x = 877.67

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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.