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Finding the Fourth Proportional to 17,420.56, 24,029.94 and 16,254.16

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Solution

The fourth proportional to 17,420.56, 24,029.94 and 16,254.16 is: 22,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.56 : 24,029.94 = 16,254.16 : x
  2. Step 2: Convert to fraction form
    17,420.56/24,029.94 = 16,254.16/x
  3. Step 3: Cross multiply
    17,420.56x = 24,029.94 × 16,254.16
  4. Step 4: Simplify right side
    17,420.56x = 390,586,489.55
  5. Step 5: Solve for x
    x = 390,586,489.55/17,420.56
  6. Step 6: Final answer
    x = 22,421.01

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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.