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Finding the Fourth Proportional to 47,751.42, 65,944.73 and 39,336.94

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Solution

The fourth proportional to 47,751.42, 65,944.73 and 39,336.94 is: 54,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,751.42 : 65,944.73 = 39,336.94 : x
  2. Step 2: Convert to fraction form
    47,751.42/65,944.73 = 39,336.94/x
  3. Step 3: Cross multiply
    47,751.42x = 65,944.73 × 39,336.94
  4. Step 4: Simplify right side
    47,751.42x = 2,594,064,068.10
  5. Step 5: Solve for x
    x = 2,594,064,068.10/47,751.42
  6. Step 6: Final answer
    x = 54,324.33

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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.