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Finding the Fourth Proportional to 57,230.22, 85,827.76 and 39,574.32

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Solution

The fourth proportional to 57,230.22, 85,827.76 and 39,574.32 is: 59,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,230.22 : 85,827.76 = 39,574.32 : x
  2. Step 2: Convert to fraction form
    57,230.22/85,827.76 = 39,574.32/x
  3. Step 3: Cross multiply
    57,230.22x = 85,827.76 × 39,574.32
  4. Step 4: Simplify right side
    57,230.22x = 3,396,575,239.12
  5. Step 5: Solve for x
    x = 3,396,575,239.12/57,230.22
  6. Step 6: Final answer
    x = 59,349.33

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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.