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Finding the Fourth Proportional to 55,493.56, 83,092.51 and 43,364.76

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Solution

The fourth proportional to 55,493.56, 83,092.51 and 43,364.76 is: 64,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,493.56 : 83,092.51 = 43,364.76 : x
  2. Step 2: Convert to fraction form
    55,493.56/83,092.51 = 43,364.76/x
  3. Step 3: Cross multiply
    55,493.56x = 83,092.51 × 43,364.76
  4. Step 4: Simplify right side
    55,493.56x = 3,603,286,753.95
  5. Step 5: Solve for x
    x = 3,603,286,753.95/55,493.56
  6. Step 6: Final answer
    x = 64,931.62

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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.