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Finding the Fourth Proportional to 6,954.44, 9,595.58 and 4,120.38

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Solution

The fourth proportional to 6,954.44, 9,595.58 and 4,120.38 is: 5,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,954.44 : 9,595.58 = 4,120.38 : x
  2. Step 2: Convert to fraction form
    6,954.44/9,595.58 = 4,120.38/x
  3. Step 3: Cross multiply
    6,954.44x = 9,595.58 × 4,120.38
  4. Step 4: Simplify right side
    6,954.44x = 39,537,415.32
  5. Step 5: Solve for x
    x = 39,537,415.32/6,954.44
  6. Step 6: Final answer
    x = 5,685.21

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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.