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Finding the Fourth Proportional to 58,452.65, 80,664.60 and 31,595.15

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Solution

The fourth proportional to 58,452.65, 80,664.60 and 31,595.15 is: 43,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,452.65 : 80,664.60 = 31,595.15 : x
  2. Step 2: Convert to fraction form
    58,452.65/80,664.60 = 31,595.15/x
  3. Step 3: Cross multiply
    58,452.65x = 80,664.60 × 31,595.15
  4. Step 4: Simplify right side
    58,452.65x = 2,548,610,338.35
  5. Step 5: Solve for x
    x = 2,548,610,338.35/58,452.65
  6. Step 6: Final answer
    x = 43,601.28

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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.