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Finding the Fourth Proportional to 56,755.95, 85,558.97 and 52,950.03

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Solution

The fourth proportional to 56,755.95, 85,558.97 and 52,950.03 is: 79,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,755.95 : 85,558.97 = 52,950.03 : x
  2. Step 2: Convert to fraction form
    56,755.95/85,558.97 = 52,950.03/x
  3. Step 3: Cross multiply
    56,755.95x = 85,558.97 × 52,950.03
  4. Step 4: Simplify right side
    56,755.95x = 4,530,350,160.64
  5. Step 5: Solve for x
    x = 4,530,350,160.64/56,755.95
  6. Step 6: Final answer
    x = 79,821.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.