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Finding the Fourth Proportional to 51,196.03, 70,648.02 and 28,537.49

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Solution

The fourth proportional to 51,196.03, 70,648.02 and 28,537.49 is: 39,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,196.03 : 70,648.02 = 28,537.49 : x
  2. Step 2: Convert to fraction form
    51,196.03/70,648.02 = 28,537.49/x
  3. Step 3: Cross multiply
    51,196.03x = 70,648.02 × 28,537.49
  4. Step 4: Simplify right side
    51,196.03x = 2,016,117,164.27
  5. Step 5: Solve for x
    x = 2,016,117,164.27/51,196.03
  6. Step 6: Final answer
    x = 39,380.34

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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.