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Finding the Fourth Proportional to 5,307.81, 7,939.76 and 4,826.67

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Solution

The fourth proportional to 5,307.81, 7,939.76 and 4,826.67 is: 7,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.81 : 7,939.76 = 4,826.67 : x
  2. Step 2: Convert to fraction form
    5,307.81/7,939.76 = 4,826.67/x
  3. Step 3: Cross multiply
    5,307.81x = 7,939.76 × 4,826.67
  4. Step 4: Simplify right side
    5,307.81x = 38,322,577.27
  5. Step 5: Solve for x
    x = 38,322,577.27/5,307.81
  6. Step 6: Final answer
    x = 7,220.04

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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.