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Finding the Fourth Proportional to 57,888.22, 79,898.20 and 35,234.50

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Solution

The fourth proportional to 57,888.22, 79,898.20 and 35,234.50 is: 48,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888.22 : 79,898.20 = 35,234.50 : x
  2. Step 2: Convert to fraction form
    57,888.22/79,898.20 = 35,234.50/x
  3. Step 3: Cross multiply
    57,888.22x = 79,898.20 × 35,234.50
  4. Step 4: Simplify right side
    57,888.22x = 2,815,173,127.90
  5. Step 5: Solve for x
    x = 2,815,173,127.90/57,888.22
  6. Step 6: Final answer
    x = 48,631.19

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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.