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Finding the Fourth Proportional to 23,884.70, 35,831.38 and 19,481.40

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Solution

The fourth proportional to 23,884.70, 35,831.38 and 19,481.40 is: 29,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,884.70 : 35,831.38 = 19,481.40 : x
  2. Step 2: Convert to fraction form
    23,884.70/35,831.38 = 19,481.40/x
  3. Step 3: Cross multiply
    23,884.70x = 35,831.38 × 19,481.40
  4. Step 4: Simplify right side
    23,884.70x = 698,045,267.18
  5. Step 5: Solve for x
    x = 698,045,267.18/23,884.70
  6. Step 6: Final answer
    x = 29,225.62

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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.