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Finding the Fourth Proportional to 7,460.64, 11,190.76 and 3,074.84

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Solution

The fourth proportional to 7,460.64, 11,190.76 and 3,074.84 is: 4,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460.64 : 11,190.76 = 3,074.84 : x
  2. Step 2: Convert to fraction form
    7,460.64/11,190.76 = 3,074.84/x
  3. Step 3: Cross multiply
    7,460.64x = 11,190.76 × 3,074.84
  4. Step 4: Simplify right side
    7,460.64x = 34,409,796.48
  5. Step 5: Solve for x
    x = 34,409,796.48/7,460.64
  6. Step 6: Final answer
    x = 4,612.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.