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Finding the Fourth Proportional to 43,353.52, 65,020.48 and 25,828.32

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Solution

The fourth proportional to 43,353.52, 65,020.48 and 25,828.32 is: 38,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,353.52 : 65,020.48 = 25,828.32 : x
  2. Step 2: Convert to fraction form
    43,353.52/65,020.48 = 25,828.32/x
  3. Step 3: Cross multiply
    43,353.52x = 65,020.48 × 25,828.32
  4. Step 4: Simplify right side
    43,353.52x = 1,679,369,763.99
  5. Step 5: Solve for x
    x = 1,679,369,763.99/43,353.52
  6. Step 6: Final answer
    x = 38,736.64

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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.