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Finding the Fourth Proportional to 56,674.56, 84,913.32 and 39,771.72

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Solution

The fourth proportional to 56,674.56, 84,913.32 and 39,771.72 is: 59,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,674.56 : 84,913.32 = 39,771.72 : x
  2. Step 2: Convert to fraction form
    56,674.56/84,913.32 = 39,771.72/x
  3. Step 3: Cross multiply
    56,674.56x = 84,913.32 × 39,771.72
  4. Step 4: Simplify right side
    56,674.56x = 3,377,148,787.31
  5. Step 5: Solve for x
    x = 3,377,148,787.31/56,674.56
  6. Step 6: Final answer
    x = 59,588.44

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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.