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Finding the Fourth Proportional to 16,756.56, 25,173.96 and 15,810.78

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Solution

The fourth proportional to 16,756.56, 25,173.96 and 15,810.78 is: 23,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.56 : 25,173.96 = 15,810.78 : x
  2. Step 2: Convert to fraction form
    16,756.56/25,173.96 = 15,810.78/x
  3. Step 3: Cross multiply
    16,756.56x = 25,173.96 × 15,810.78
  4. Step 4: Simplify right side
    16,756.56x = 398,019,943.29
  5. Step 5: Solve for x
    x = 398,019,943.29/16,756.56
  6. Step 6: Final answer
    x = 23,753.08

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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.