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Finding the Fourth Proportional to 1,176.02, 1,623.23 and 733.66

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Solution

The fourth proportional to 1,176.02, 1,623.23 and 733.66 is: 1,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.02 : 1,623.23 = 733.66 : x
  2. Step 2: Convert to fraction form
    1,176.02/1,623.23 = 733.66/x
  3. Step 3: Cross multiply
    1,176.02x = 1,623.23 × 733.66
  4. Step 4: Simplify right side
    1,176.02x = 1,190,887.14
  5. Step 5: Solve for x
    x = 1,190,887.14/1,176.02
  6. Step 6: Final answer
    x = 1,012.64

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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.