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Finding the Fourth Proportional to 43,751.70, 65,465.55 and 32,087.70

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Solution

The fourth proportional to 43,751.70, 65,465.55 and 32,087.70 is: 48,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,751.70 : 65,465.55 = 32,087.70 : x
  2. Step 2: Convert to fraction form
    43,751.70/65,465.55 = 32,087.70/x
  3. Step 3: Cross multiply
    43,751.70x = 65,465.55 × 32,087.70
  4. Step 4: Simplify right side
    43,751.70x = 2,100,638,928.74
  5. Step 5: Solve for x
    x = 2,100,638,928.74/43,751.70
  6. Step 6: Final answer
    x = 48,012.74

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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.