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Finding the Fourth Proportional to 43,852.58, 65,783.02 and 12,262.64

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Solution

The fourth proportional to 43,852.58, 65,783.02 and 12,262.64 is: 18,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,852.58 : 65,783.02 = 12,262.64 : x
  2. Step 2: Convert to fraction form
    43,852.58/65,783.02 = 12,262.64/x
  3. Step 3: Cross multiply
    43,852.58x = 65,783.02 × 12,262.64
  4. Step 4: Simplify right side
    43,852.58x = 806,673,132.80
  5. Step 5: Solve for x
    x = 806,673,132.80/43,852.58
  6. Step 6: Final answer
    x = 18,395.11

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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.