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Finding the Fourth Proportional to 24,016.40, 36,024.60 and 20,128.40

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Solution

The fourth proportional to 24,016.40, 36,024.60 and 20,128.40 is: 30,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,016.40 : 36,024.60 = 20,128.40 : x
  2. Step 2: Convert to fraction form
    24,016.40/36,024.60 = 20,128.40/x
  3. Step 3: Cross multiply
    24,016.40x = 36,024.60 × 20,128.40
  4. Step 4: Simplify right side
    24,016.40x = 725,117,558.64
  5. Step 5: Solve for x
    x = 725,117,558.64/24,016.40
  6. Step 6: Final answer
    x = 30,192.60

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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.