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Finding the Fourth Proportional to 55,064.66, 75,981.96 and 34,885.94

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Solution

The fourth proportional to 55,064.66, 75,981.96 and 34,885.94 is: 48,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064.66 : 75,981.96 = 34,885.94 : x
  2. Step 2: Convert to fraction form
    55,064.66/75,981.96 = 34,885.94/x
  3. Step 3: Cross multiply
    55,064.66x = 75,981.96 × 34,885.94
  4. Step 4: Simplify right side
    55,064.66x = 2,650,701,717.73
  5. Step 5: Solve for x
    x = 2,650,701,717.73/55,064.66
  6. Step 6: Final answer
    x = 48,137.99

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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.