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Finding the Fourth Proportional to 58,647.72, 80,932.86 and 33,153.66

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Solution

The fourth proportional to 58,647.72, 80,932.86 and 33,153.66 is: 45,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,647.72 : 80,932.86 = 33,153.66 : x
  2. Step 2: Convert to fraction form
    58,647.72/80,932.86 = 33,153.66/x
  3. Step 3: Cross multiply
    58,647.72x = 80,932.86 × 33,153.66
  4. Step 4: Simplify right side
    58,647.72x = 2,683,220,523.27
  5. Step 5: Solve for x
    x = 2,683,220,523.27/58,647.72
  6. Step 6: Final answer
    x = 45,751.49

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1.5x scale

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.