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Finding the Fourth Proportional to 25,559.28, 35,271.78 and 14,381.28

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Solution

The fourth proportional to 25,559.28, 35,271.78 and 14,381.28 is: 19,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559.28 : 35,271.78 = 14,381.28 : x
  2. Step 2: Convert to fraction form
    25,559.28/35,271.78 = 14,381.28/x
  3. Step 3: Cross multiply
    25,559.28x = 35,271.78 × 14,381.28
  4. Step 4: Simplify right side
    25,559.28x = 507,253,344.28
  5. Step 5: Solve for x
    x = 507,253,344.28/25,559.28
  6. Step 6: Final answer
    x = 19,846.15

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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.