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Finding the Fourth Proportional to 40,475.70, 61,025.00 and 39,749.94

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Solution

The fourth proportional to 40,475.70, 61,025.00 and 39,749.94 is: 59,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,475.70 : 61,025.00 = 39,749.94 : x
  2. Step 2: Convert to fraction form
    40,475.70/61,025.00 = 39,749.94/x
  3. Step 3: Cross multiply
    40,475.70x = 61,025.00 × 39,749.94
  4. Step 4: Simplify right side
    40,475.70x = 2,425,739,889.75
  5. Step 5: Solve for x
    x = 2,425,739,889.75/40,475.70
  6. Step 6: Final answer
    x = 59,930.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.