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Finding the Fourth Proportional to 28,852, 39,816.72 and 17,671.84

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Solution

The fourth proportional to 28,852, 39,816.72 and 17,671.84 is: 24,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852 : 39,816.72 = 17,671.84 : x
  2. Step 2: Convert to fraction form
    28,852/39,816.72 = 17,671.84/x
  3. Step 3: Cross multiply
    28,852x = 39,816.72 × 17,671.84
  4. Step 4: Simplify right side
    28,852x = 703,634,705.16
  5. Step 5: Solve for x
    x = 703,634,705.16/28,852
  6. Step 6: Final answer
    x = 24,387.73

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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.