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Finding the Fourth Proportional to 37,420.29, 56,130.44 and 11,124.99

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Solution

The fourth proportional to 37,420.29, 56,130.44 and 11,124.99 is: 16,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.29 : 56,130.44 = 11,124.99 : x
  2. Step 2: Convert to fraction form
    37,420.29/56,130.44 = 11,124.99/x
  3. Step 3: Cross multiply
    37,420.29x = 56,130.44 × 11,124.99
  4. Step 4: Simplify right side
    37,420.29x = 624,450,528.07
  5. Step 5: Solve for x
    x = 624,450,528.07/37,420.29
  6. Step 6: Final answer
    x = 16,687.49

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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.