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Finding the Fourth Proportional to 43,465.98, 65,174.37 and 39,750.81

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Solution

The fourth proportional to 43,465.98, 65,174.37 and 39,750.81 is: 59,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,465.98 : 65,174.37 = 39,750.81 : x
  2. Step 2: Convert to fraction form
    43,465.98/65,174.37 = 39,750.81/x
  3. Step 3: Cross multiply
    43,465.98x = 65,174.37 × 39,750.81
  4. Step 4: Simplify right side
    43,465.98x = 2,590,733,998.74
  5. Step 5: Solve for x
    x = 2,590,733,998.74/43,465.98
  6. Step 6: Final answer
    x = 59,603.72

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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.