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Finding the Fourth Proportional to 61,796.74, 92,623.44 and 28,446.76

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Solution

The fourth proportional to 61,796.74, 92,623.44 and 28,446.76 is: 42,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,796.74 : 92,623.44 = 28,446.76 : x
  2. Step 2: Convert to fraction form
    61,796.74/92,623.44 = 28,446.76/x
  3. Step 3: Cross multiply
    61,796.74x = 92,623.44 × 28,446.76
  4. Step 4: Simplify right side
    61,796.74x = 2,634,836,768.05
  5. Step 5: Solve for x
    x = 2,634,836,768.05/61,796.74
  6. Step 6: Final answer
    x = 42,637.15

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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.