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Finding the Fourth Proportional to 34,804.80, 48,028.68 and 20,658.96

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Solution

The fourth proportional to 34,804.80, 48,028.68 and 20,658.96 is: 28,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,804.80 : 48,028.68 = 20,658.96 : x
  2. Step 2: Convert to fraction form
    34,804.80/48,028.68 = 20,658.96/x
  3. Step 3: Cross multiply
    34,804.80x = 48,028.68 × 20,658.96
  4. Step 4: Simplify right side
    34,804.80x = 992,222,578.97
  5. Step 5: Solve for x
    x = 992,222,578.97/34,804.80
  6. Step 6: Final answer
    x = 28,508.21

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1.5x scale

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.