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Finding the Fourth Proportional to 28,842.25, 43,265.55 and 16,357.45

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Solution

The fourth proportional to 28,842.25, 43,265.55 and 16,357.45 is: 24,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.25 : 43,265.55 = 16,357.45 : x
  2. Step 2: Convert to fraction form
    28,842.25/43,265.55 = 16,357.45/x
  3. Step 3: Cross multiply
    28,842.25x = 43,265.55 × 16,357.45
  4. Step 4: Simplify right side
    28,842.25x = 707,714,070.85
  5. Step 5: Solve for x
    x = 707,714,070.85/28,842.25
  6. Step 6: Final answer
    x = 24,537.41

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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.