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Finding the Fourth Proportional to 7,373.84, 11,055.72 and 3,865.84

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Solution

The fourth proportional to 7,373.84, 11,055.72 and 3,865.84 is: 5,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.84 : 11,055.72 = 3,865.84 : x
  2. Step 2: Convert to fraction form
    7,373.84/11,055.72 = 3,865.84/x
  3. Step 3: Cross multiply
    7,373.84x = 11,055.72 × 3,865.84
  4. Step 4: Simplify right side
    7,373.84x = 42,739,644.60
  5. Step 5: Solve for x
    x = 42,739,644.60/7,373.84
  6. Step 6: Final answer
    x = 5,796.12

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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.