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Finding the Fourth Proportional to 1,193.08, 1,647.02 and 795.40

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Solution

The fourth proportional to 1,193.08, 1,647.02 and 795.40 is: 1,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.08 : 1,647.02 = 795.40 : x
  2. Step 2: Convert to fraction form
    1,193.08/1,647.02 = 795.40/x
  3. Step 3: Cross multiply
    1,193.08x = 1,647.02 × 795.40
  4. Step 4: Simplify right side
    1,193.08x = 1,310,037.58
  5. Step 5: Solve for x
    x = 1,310,037.58/1,193.08
  6. Step 6: Final answer
    x = 1,098.03

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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.