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Finding the Fourth Proportional to 39,157.56, 59,025.57 and 36,871.54

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Solution

The fourth proportional to 39,157.56, 59,025.57 and 36,871.54 is: 55,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.56 : 59,025.57 = 36,871.54 : x
  2. Step 2: Convert to fraction form
    39,157.56/59,025.57 = 36,871.54/x
  3. Step 3: Cross multiply
    39,157.56x = 59,025.57 × 36,871.54
  4. Step 4: Simplify right side
    39,157.56x = 2,176,363,483.15
  5. Step 5: Solve for x
    x = 2,176,363,483.15/39,157.56
  6. Step 6: Final answer
    x = 55,579.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.