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Finding the Fourth Proportional to 28,074.99, 42,098.40 and 9,348.42

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Solution

The fourth proportional to 28,074.99, 42,098.40 and 9,348.42 is: 14,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.99 : 42,098.40 = 9,348.42 : x
  2. Step 2: Convert to fraction form
    28,074.99/42,098.40 = 9,348.42/x
  3. Step 3: Cross multiply
    28,074.99x = 42,098.40 × 9,348.42
  4. Step 4: Simplify right side
    28,074.99x = 393,553,524.53
  5. Step 5: Solve for x
    x = 393,553,524.53/28,074.99
  6. Step 6: Final answer
    x = 14,017.94

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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.