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Finding the Fourth Proportional to 18,973, 28,467.06 and 9,607.96

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Solution

The fourth proportional to 18,973, 28,467.06 and 9,607.96 is: 14,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973 : 28,467.06 = 9,607.96 : x
  2. Step 2: Convert to fraction form
    18,973/28,467.06 = 9,607.96/x
  3. Step 3: Cross multiply
    18,973x = 28,467.06 × 9,607.96
  4. Step 4: Simplify right side
    18,973x = 273,510,373.80
  5. Step 5: Solve for x
    x = 273,510,373.80/18,973
  6. Step 6: Final answer
    x = 14,415.77

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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.