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Finding the Fourth Proportional to 43,702.56, 65,556.30 and 12,537

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Solution

The fourth proportional to 43,702.56, 65,556.30 and 12,537 is: 18,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702.56 : 65,556.30 = 12,537 : x
  2. Step 2: Convert to fraction form
    43,702.56/65,556.30 = 12,537/x
  3. Step 3: Cross multiply
    43,702.56x = 65,556.30 × 12,537
  4. Step 4: Simplify right side
    43,702.56x = 821,879,333.10
  5. Step 5: Solve for x
    x = 821,879,333.10/43,702.56
  6. Step 6: Final answer
    x = 18,806.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.