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Finding the Fourth Proportional to 3,396.11, 5,094.11 and 930.93

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Solution

The fourth proportional to 3,396.11, 5,094.11 and 930.93 is: 1,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.11 : 5,094.11 = 930.93 : x
  2. Step 2: Convert to fraction form
    3,396.11/5,094.11 = 930.93/x
  3. Step 3: Cross multiply
    3,396.11x = 5,094.11 × 930.93
  4. Step 4: Simplify right side
    3,396.11x = 4,742,237.81
  5. Step 5: Solve for x
    x = 4,742,237.81/3,396.11
  6. Step 6: Final answer
    x = 1,396.37

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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.