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Finding the Fourth Proportional to 792.06, 1,187.16 and 700.94

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Solution

The fourth proportional to 792.06, 1,187.16 and 700.94 is: 1,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.06 : 1,187.16 = 700.94 : x
  2. Step 2: Convert to fraction form
    792.06/1,187.16 = 700.94/x
  3. Step 3: Cross multiply
    792.06x = 1,187.16 × 700.94
  4. Step 4: Simplify right side
    792.06x = 832,127.93
  5. Step 5: Solve for x
    x = 832,127.93/792.06
  6. Step 6: Final answer
    x = 1,050.59

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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.