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Finding the Fourth Proportional to 5,133.52, 7,084.28 and 2,775.67

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Solution

The fourth proportional to 5,133.52, 7,084.28 and 2,775.67 is: 3,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.52 : 7,084.28 = 2,775.67 : x
  2. Step 2: Convert to fraction form
    5,133.52/7,084.28 = 2,775.67/x
  3. Step 3: Cross multiply
    5,133.52x = 7,084.28 × 2,775.67
  4. Step 4: Simplify right side
    5,133.52x = 19,663,623.47
  5. Step 5: Solve for x
    x = 19,663,623.47/5,133.52
  6. Step 6: Final answer
    x = 3,830.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.