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Finding the Fourth Proportional to 40,096, 60,144.25 and 10,513.57

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Solution

The fourth proportional to 40,096, 60,144.25 and 10,513.57 is: 15,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,096 : 60,144.25 = 10,513.57 : x
  2. Step 2: Convert to fraction form
    40,096/60,144.25 = 10,513.57/x
  3. Step 3: Cross multiply
    40,096x = 60,144.25 × 10,513.57
  4. Step 4: Simplify right side
    40,096x = 632,330,782.47
  5. Step 5: Solve for x
    x = 632,330,782.47/40,096
  6. Step 6: Final answer
    x = 15,770.42

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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.