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Finding the Fourth Proportional to 792.97, 1,094.60 and 709.93

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Solution

The fourth proportional to 792.97, 1,094.60 and 709.93 is: 979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.97 : 1,094.60 = 709.93 : x
  2. Step 2: Convert to fraction form
    792.97/1,094.60 = 709.93/x
  3. Step 3: Cross multiply
    792.97x = 1,094.60 × 709.93
  4. Step 4: Simplify right side
    792.97x = 777,089.38
  5. Step 5: Solve for x
    x = 777,089.38/792.97
  6. Step 6: Final answer
    x = 979.97

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Double scale
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1.5x scale

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.