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Finding the Fourth Proportional to 5,558.93, 7,667.99 and 3,670.55

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Solution

The fourth proportional to 5,558.93, 7,667.99 and 3,670.55 is: 5,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.93 : 7,667.99 = 3,670.55 : x
  2. Step 2: Convert to fraction form
    5,558.93/7,667.99 = 3,670.55/x
  3. Step 3: Cross multiply
    5,558.93x = 7,667.99 × 3,670.55
  4. Step 4: Simplify right side
    5,558.93x = 28,145,740.69
  5. Step 5: Solve for x
    x = 28,145,740.69/5,558.93
  6. Step 6: Final answer
    x = 5,063.16

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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.