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Finding the Fourth Proportional to 57,363.72, 86,056.32 and 25,773

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Solution

The fourth proportional to 57,363.72, 86,056.32 and 25,773 is: 38,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,363.72 : 86,056.32 = 25,773 : x
  2. Step 2: Convert to fraction form
    57,363.72/86,056.32 = 25,773/x
  3. Step 3: Cross multiply
    57,363.72x = 86,056.32 × 25,773
  4. Step 4: Simplify right side
    57,363.72x = 2,217,929,535.36
  5. Step 5: Solve for x
    x = 2,217,929,535.36/57,363.72
  6. Step 6: Final answer
    x = 38,664.33

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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.