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Finding the Fourth Proportional to 7,465.03, 11,188.31 and 3,768.31

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Solution

The fourth proportional to 7,465.03, 11,188.31 and 3,768.31 is: 5,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.03 : 11,188.31 = 3,768.31 : x
  2. Step 2: Convert to fraction form
    7,465.03/11,188.31 = 3,768.31/x
  3. Step 3: Cross multiply
    7,465.03x = 11,188.31 × 3,768.31
  4. Step 4: Simplify right side
    7,465.03x = 42,161,020.46
  5. Step 5: Solve for x
    x = 42,161,020.46/7,465.03
  6. Step 6: Final answer
    x = 5,647.81

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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.