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Finding the Fourth Proportional to 17,687.84, 24,406.12 and 10,030.72

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Solution

The fourth proportional to 17,687.84, 24,406.12 and 10,030.72 is: 13,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.84 : 24,406.12 = 10,030.72 : x
  2. Step 2: Convert to fraction form
    17,687.84/24,406.12 = 10,030.72/x
  3. Step 3: Cross multiply
    17,687.84x = 24,406.12 × 10,030.72
  4. Step 4: Simplify right side
    17,687.84x = 244,810,956.01
  5. Step 5: Solve for x
    x = 244,810,956.01/17,687.84
  6. Step 6: Final answer
    x = 13,840.64

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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.