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Finding the Fourth Proportional to 30,937.53, 46,424.63 and 12,219.45

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Solution

The fourth proportional to 30,937.53, 46,424.63 and 12,219.45 is: 18,336.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937.53 : 46,424.63 = 12,219.45 : x
  2. Step 2: Convert to fraction form
    30,937.53/46,424.63 = 12,219.45/x
  3. Step 3: Cross multiply
    30,937.53x = 46,424.63 × 12,219.45
  4. Step 4: Simplify right side
    30,937.53x = 567,283,445.05
  5. Step 5: Solve for x
    x = 567,283,445.05/30,937.53
  6. Step 6: Final answer
    x = 18,336.42

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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.