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Finding the Fourth Proportional to 57,509.83, 79,361.62 and 32,354.47

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Solution

The fourth proportional to 57,509.83, 79,361.62 and 32,354.47 is: 44,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,509.83 : 79,361.62 = 32,354.47 : x
  2. Step 2: Convert to fraction form
    57,509.83/79,361.62 = 32,354.47/x
  3. Step 3: Cross multiply
    57,509.83x = 79,361.62 × 32,354.47
  4. Step 4: Simplify right side
    57,509.83x = 2,567,703,171.76
  5. Step 5: Solve for x
    x = 2,567,703,171.76/57,509.83
  6. Step 6: Final answer
    x = 44,648.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.