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Finding the Fourth Proportional to 32,572.70, 44,949.02 and 18,428.48

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Solution

The fourth proportional to 32,572.70, 44,949.02 and 18,428.48 is: 25,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,572.70 : 44,949.02 = 18,428.48 : x
  2. Step 2: Convert to fraction form
    32,572.70/44,949.02 = 18,428.48/x
  3. Step 3: Cross multiply
    32,572.70x = 44,949.02 × 18,428.48
  4. Step 4: Simplify right side
    32,572.70x = 828,342,116.09
  5. Step 5: Solve for x
    x = 828,342,116.09/32,572.70
  6. Step 6: Final answer
    x = 25,430.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.