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Finding the Fourth Proportional to 16,755.76, 25,134 and 5,068.96

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Solution

The fourth proportional to 16,755.76, 25,134 and 5,068.96 is: 7,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.76 : 25,134 = 5,068.96 : x
  2. Step 2: Convert to fraction form
    16,755.76/25,134 = 5,068.96/x
  3. Step 3: Cross multiply
    16,755.76x = 25,134 × 5,068.96
  4. Step 4: Simplify right side
    16,755.76x = 127,403,240.64
  5. Step 5: Solve for x
    x = 127,403,240.64/16,755.76
  6. Step 6: Final answer
    x = 7,603.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.