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Finding the Fourth Proportional to 57,584.80, 79,465.56 and 32,091.28

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Solution

The fourth proportional to 57,584.80, 79,465.56 and 32,091.28 is: 44,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,584.80 : 79,465.56 = 32,091.28 : x
  2. Step 2: Convert to fraction form
    57,584.80/79,465.56 = 32,091.28/x
  3. Step 3: Cross multiply
    57,584.80x = 79,465.56 × 32,091.28
  4. Step 4: Simplify right side
    57,584.80x = 2,550,151,536.32
  5. Step 5: Solve for x
    x = 2,550,151,536.32/57,584.80
  6. Step 6: Final answer
    x = 44,285.15

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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.