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Finding the Fourth Proportional to 6,954.54, 9,595.71 and 3,969.42

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Solution

The fourth proportional to 6,954.54, 9,595.71 and 3,969.42 is: 5,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,954.54 : 9,595.71 = 3,969.42 : x
  2. Step 2: Convert to fraction form
    6,954.54/9,595.71 = 3,969.42/x
  3. Step 3: Cross multiply
    6,954.54x = 9,595.71 × 3,969.42
  4. Step 4: Simplify right side
    6,954.54x = 38,089,403.19
  5. Step 5: Solve for x
    x = 38,089,403.19/6,954.54
  6. Step 6: Final answer
    x = 5,476.91

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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.