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Finding the Fourth Proportional to 47,861.96, 71,792.96 and 21,535.95

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Solution

The fourth proportional to 47,861.96, 71,792.96 and 21,535.95 is: 32,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,861.96 : 71,792.96 = 21,535.95 : x
  2. Step 2: Convert to fraction form
    47,861.96/71,792.96 = 21,535.95/x
  3. Step 3: Cross multiply
    47,861.96x = 71,792.96 × 21,535.95
  4. Step 4: Simplify right side
    47,861.96x = 1,546,129,220.01
  5. Step 5: Solve for x
    x = 1,546,129,220.01/47,861.96
  6. Step 6: Final answer
    x = 32,303.93

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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.