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Finding the Fourth Proportional to 1,193.38, 1,788.02 and 846.13

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Solution

The fourth proportional to 1,193.38, 1,788.02 and 846.13 is: 1,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.38 : 1,788.02 = 846.13 : x
  2. Step 2: Convert to fraction form
    1,193.38/1,788.02 = 846.13/x
  3. Step 3: Cross multiply
    1,193.38x = 1,788.02 × 846.13
  4. Step 4: Simplify right side
    1,193.38x = 1,512,897.36
  5. Step 5: Solve for x
    x = 1,512,897.36/1,193.38
  6. Step 6: Final answer
    x = 1,267.74

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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.