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Finding the Fourth Proportional to 3,670.79, 5,505.48 and 1,696.33

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Solution

The fourth proportional to 3,670.79, 5,505.48 and 1,696.33 is: 2,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.79 : 5,505.48 = 1,696.33 : x
  2. Step 2: Convert to fraction form
    3,670.79/5,505.48 = 1,696.33/x
  3. Step 3: Cross multiply
    3,670.79x = 5,505.48 × 1,696.33
  4. Step 4: Simplify right side
    3,670.79x = 9,339,117.77
  5. Step 5: Solve for x
    x = 9,339,117.77/3,670.79
  6. Step 6: Final answer
    x = 2,544.17

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1.5x scale

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.