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Finding the Fourth Proportional to 56,861.60, 85,152.23 and 35,749.27

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Solution

The fourth proportional to 56,861.60, 85,152.23 and 35,749.27 is: 53,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861.60 : 85,152.23 = 35,749.27 : x
  2. Step 2: Convert to fraction form
    56,861.60/85,152.23 = 35,749.27/x
  3. Step 3: Cross multiply
    56,861.60x = 85,152.23 × 35,749.27
  4. Step 4: Simplify right side
    56,861.60x = 3,044,129,635.61
  5. Step 5: Solve for x
    x = 3,044,129,635.61/56,861.60
  6. Step 6: Final answer
    x = 53,535.77

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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.