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Finding the Fourth Proportional to 58,652.42, 80,921.31 and 33,156.32

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Solution

The fourth proportional to 58,652.42, 80,921.31 and 33,156.32 is: 45,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,652.42 : 80,921.31 = 33,156.32 : x
  2. Step 2: Convert to fraction form
    58,652.42/80,921.31 = 33,156.32/x
  3. Step 3: Cross multiply
    58,652.42x = 80,921.31 × 33,156.32
  4. Step 4: Simplify right side
    58,652.42x = 2,683,052,849.18
  5. Step 5: Solve for x
    x = 2,683,052,849.18/58,652.42
  6. Step 6: Final answer
    x = 45,744.96

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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.