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Finding the Fourth Proportional to 43,701.10, 65,551.65 and 36,702.70

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Solution

The fourth proportional to 43,701.10, 65,551.65 and 36,702.70 is: 55,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,701.10 : 65,551.65 = 36,702.70 : x
  2. Step 2: Convert to fraction form
    43,701.10/65,551.65 = 36,702.70/x
  3. Step 3: Cross multiply
    43,701.10x = 65,551.65 × 36,702.70
  4. Step 4: Simplify right side
    43,701.10x = 2,405,922,544.46
  5. Step 5: Solve for x
    x = 2,405,922,544.46/43,701.10
  6. Step 6: Final answer
    x = 55,054.05

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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.