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Finding the Fourth Proportional to 1,184.63, 1,768.74 and 1,046.12

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Solution

The fourth proportional to 1,184.63, 1,768.74 and 1,046.12 is: 1,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.63 : 1,768.74 = 1,046.12 : x
  2. Step 2: Convert to fraction form
    1,184.63/1,768.74 = 1,046.12/x
  3. Step 3: Cross multiply
    1,184.63x = 1,768.74 × 1,046.12
  4. Step 4: Simplify right side
    1,184.63x = 1,850,301.52
  5. Step 5: Solve for x
    x = 1,850,301.52/1,184.63
  6. Step 6: Final answer
    x = 1,561.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.