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Finding the Fourth Proportional to 43,752, 65,631.20 and 16,052.80

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Solution

The fourth proportional to 43,752, 65,631.20 and 16,052.80 is: 24,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,752 : 65,631.20 = 16,052.80 : x
  2. Step 2: Convert to fraction form
    43,752/65,631.20 = 16,052.80/x
  3. Step 3: Cross multiply
    43,752x = 65,631.20 × 16,052.80
  4. Step 4: Simplify right side
    43,752x = 1,053,564,527.36
  5. Step 5: Solve for x
    x = 1,053,564,527.36/43,752
  6. Step 6: Final answer
    x = 24,080.37

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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.