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Finding the Fourth Proportional to 24,086.70, 36,128.70 and 7,446.60

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Solution

The fourth proportional to 24,086.70, 36,128.70 and 7,446.60 is: 11,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,086.70 : 36,128.70 = 7,446.60 : x
  2. Step 2: Convert to fraction form
    24,086.70/36,128.70 = 7,446.60/x
  3. Step 3: Cross multiply
    24,086.70x = 36,128.70 × 7,446.60
  4. Step 4: Simplify right side
    24,086.70x = 269,035,977.42
  5. Step 5: Solve for x
    x = 269,035,977.42/24,086.70
  6. Step 6: Final answer
    x = 11,169.48

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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.