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Finding the Fourth Proportional to 43,752.77, 65,629.16 and 12,588.02

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Solution

The fourth proportional to 43,752.77, 65,629.16 and 12,588.02 is: 18,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,752.77 : 65,629.16 = 12,588.02 : x
  2. Step 2: Convert to fraction form
    43,752.77/65,629.16 = 12,588.02/x
  3. Step 3: Cross multiply
    43,752.77x = 65,629.16 × 12,588.02
  4. Step 4: Simplify right side
    43,752.77x = 826,141,327.00
  5. Step 5: Solve for x
    x = 826,141,327.00/43,752.77
  6. Step 6: Final answer
    x = 18,882.03

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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.