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Finding the Fourth Proportional to 833.50, 1,147.53 and 794.50

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Solution

The fourth proportional to 833.50, 1,147.53 and 794.50 is: 1,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.50 : 1,147.53 = 794.50 : x
  2. Step 2: Convert to fraction form
    833.50/1,147.53 = 794.50/x
  3. Step 3: Cross multiply
    833.50x = 1,147.53 × 794.50
  4. Step 4: Simplify right side
    833.50x = 911,712.59
  5. Step 5: Solve for x
    x = 911,712.59/833.50
  6. Step 6: Final answer
    x = 1,093.84

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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.