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Finding the Fourth Proportional to 61,950.98, 92,912.46 and 28,652.77

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Solution

The fourth proportional to 61,950.98, 92,912.46 and 28,652.77 is: 42,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,950.98 : 92,912.46 = 28,652.77 : x
  2. Step 2: Convert to fraction form
    61,950.98/92,912.46 = 28,652.77/x
  3. Step 3: Cross multiply
    61,950.98x = 92,912.46 × 28,652.77
  4. Step 4: Simplify right side
    61,950.98x = 2,662,199,346.51
  5. Step 5: Solve for x
    x = 2,662,199,346.51/61,950.98
  6. Step 6: Final answer
    x = 42,972.68

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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.