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Finding the Fourth Proportional to 61,551.76, 84,927.72 and 37,676.56

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Solution

The fourth proportional to 61,551.76, 84,927.72 and 37,676.56 is: 51,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,551.76 : 84,927.72 = 37,676.56 : x
  2. Step 2: Convert to fraction form
    61,551.76/84,927.72 = 37,676.56/x
  3. Step 3: Cross multiply
    61,551.76x = 84,927.72 × 37,676.56
  4. Step 4: Simplify right side
    61,551.76x = 3,199,784,338.24
  5. Step 5: Solve for x
    x = 3,199,784,338.24/61,551.76
  6. Step 6: Final answer
    x = 51,985.26

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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.