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Finding the Fourth Proportional to 34,804.68, 48,008.61 and 20,647.50

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Solution

The fourth proportional to 34,804.68, 48,008.61 and 20,647.50 is: 28,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,804.68 : 48,008.61 = 20,647.50 : x
  2. Step 2: Convert to fraction form
    34,804.68/48,008.61 = 20,647.50/x
  3. Step 3: Cross multiply
    34,804.68x = 48,008.61 × 20,647.50
  4. Step 4: Simplify right side
    34,804.68x = 991,257,774.98
  5. Step 5: Solve for x
    x = 991,257,774.98/34,804.68
  6. Step 6: Final answer
    x = 28,480.59

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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.