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Finding the Fourth Proportional to 25,269.57, 37,911.65 and 7,741.98

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Solution

The fourth proportional to 25,269.57, 37,911.65 and 7,741.98 is: 11,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.57 : 37,911.65 = 7,741.98 : x
  2. Step 2: Convert to fraction form
    25,269.57/37,911.65 = 7,741.98/x
  3. Step 3: Cross multiply
    25,269.57x = 37,911.65 × 7,741.98
  4. Step 4: Simplify right side
    25,269.57x = 293,511,197.36
  5. Step 5: Solve for x
    x = 293,511,197.36/25,269.57
  6. Step 6: Final answer
    x = 11,615.20

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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.