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Finding the Fourth Proportional to 56,868.84, 85,266.72 and 23,611.86

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Solution

The fourth proportional to 56,868.84, 85,266.72 and 23,611.86 is: 35,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,868.84 : 85,266.72 = 23,611.86 : x
  2. Step 2: Convert to fraction form
    56,868.84/85,266.72 = 23,611.86/x
  3. Step 3: Cross multiply
    56,868.84x = 85,266.72 × 23,611.86
  4. Step 4: Simplify right side
    56,868.84x = 2,013,305,855.30
  5. Step 5: Solve for x
    x = 2,013,305,855.30/56,868.84
  6. Step 6: Final answer
    x = 35,402.62

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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.