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Finding the Fourth Proportional to 61,950.42, 85,493.34 and 33,657.84

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Solution

The fourth proportional to 61,950.42, 85,493.34 and 33,657.84 is: 46,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,950.42 : 85,493.34 = 33,657.84 : x
  2. Step 2: Convert to fraction form
    61,950.42/85,493.34 = 33,657.84/x
  3. Step 3: Cross multiply
    61,950.42x = 85,493.34 × 33,657.84
  4. Step 4: Simplify right side
    61,950.42x = 2,877,521,158.79
  5. Step 5: Solve for x
    x = 2,877,521,158.79/61,950.42
  6. Step 6: Final answer
    x = 46,448.78

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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.