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Finding the Fourth Proportional to 34,464.76, 47,571.20 and 20,852.76

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Solution

The fourth proportional to 34,464.76, 47,571.20 and 20,852.76 is: 28,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,464.76 : 47,571.20 = 20,852.76 : x
  2. Step 2: Convert to fraction form
    34,464.76/47,571.20 = 20,852.76/x
  3. Step 3: Cross multiply
    34,464.76x = 47,571.20 × 20,852.76
  4. Step 4: Simplify right side
    34,464.76x = 991,990,701.25
  5. Step 5: Solve for x
    x = 991,990,701.25/34,464.76
  6. Step 6: Final answer
    x = 28,782.76

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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.