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Finding the Fourth Proportional to 7,893.32, 11,827.10 and 3,671.98

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Solution

The fourth proportional to 7,893.32, 11,827.10 and 3,671.98 is: 5,501.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.32 : 11,827.10 = 3,671.98 : x
  2. Step 2: Convert to fraction form
    7,893.32/11,827.10 = 3,671.98/x
  3. Step 3: Cross multiply
    7,893.32x = 11,827.10 × 3,671.98
  4. Step 4: Simplify right side
    7,893.32x = 43,428,900.14
  5. Step 5: Solve for x
    x = 43,428,900.14/7,893.32
  6. Step 6: Final answer
    x = 5,501.98

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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.