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Finding the Fourth Proportional to 43,354.53, 65,026.53 and 11,762.58

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Solution

The fourth proportional to 43,354.53, 65,026.53 and 11,762.58 is: 17,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.53 : 65,026.53 = 11,762.58 : x
  2. Step 2: Convert to fraction form
    43,354.53/65,026.53 = 11,762.58/x
  3. Step 3: Cross multiply
    43,354.53x = 65,026.53 × 11,762.58
  4. Step 4: Simplify right side
    43,354.53x = 764,879,761.25
  5. Step 5: Solve for x
    x = 764,879,761.25/43,354.53
  6. Step 6: Final answer
    x = 17,642.44

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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.