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Finding the Fourth Proportional to 43,841.40, 65,675.70 and 25,351.80

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Solution

The fourth proportional to 43,841.40, 65,675.70 and 25,351.80 is: 37,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,841.40 : 65,675.70 = 25,351.80 : x
  2. Step 2: Convert to fraction form
    43,841.40/65,675.70 = 25,351.80/x
  3. Step 3: Cross multiply
    43,841.40x = 65,675.70 × 25,351.80
  4. Step 4: Simplify right side
    43,841.40x = 1,664,997,211.26
  5. Step 5: Solve for x
    x = 1,664,997,211.26/43,841.40
  6. Step 6: Final answer
    x = 37,977.74

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1.5x scale

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.