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Finding the Fourth Proportional to 4,736.18, 7,104.54 and 1,813.16

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Solution

The fourth proportional to 4,736.18, 7,104.54 and 1,813.16 is: 2,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,736.18 : 7,104.54 = 1,813.16 : x
  2. Step 2: Convert to fraction form
    4,736.18/7,104.54 = 1,813.16/x
  3. Step 3: Cross multiply
    4,736.18x = 7,104.54 × 1,813.16
  4. Step 4: Simplify right side
    4,736.18x = 12,881,667.75
  5. Step 5: Solve for x
    x = 12,881,667.75/4,736.18
  6. Step 6: Final answer
    x = 2,719.84

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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.