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Finding the Fourth Proportional to 17,991, 24,827.58 and 10,539

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Solution

The fourth proportional to 17,991, 24,827.58 and 10,539 is: 14,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991 : 24,827.58 = 10,539 : x
  2. Step 2: Convert to fraction form
    17,991/24,827.58 = 10,539/x
  3. Step 3: Cross multiply
    17,991x = 24,827.58 × 10,539
  4. Step 4: Simplify right side
    17,991x = 261,657,865.62
  5. Step 5: Solve for x
    x = 261,657,865.62/17,991
  6. Step 6: Final answer
    x = 14,543.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.