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Finding the Fourth Proportional to 52,633.55, 78,808.84 and 40,093.84

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Solution

The fourth proportional to 52,633.55, 78,808.84 and 40,093.84 is: 60,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,633.55 : 78,808.84 = 40,093.84 : x
  2. Step 2: Convert to fraction form
    52,633.55/78,808.84 = 40,093.84/x
  3. Step 3: Cross multiply
    52,633.55x = 78,808.84 × 40,093.84
  4. Step 4: Simplify right side
    52,633.55x = 3,159,749,021.55
  5. Step 5: Solve for x
    x = 3,159,749,021.55/52,633.55
  6. Step 6: Final answer
    x = 60,032.98

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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.