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Finding the Fourth Proportional to 58,454.73, 80,668.31 and 34,580.79

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Solution

The fourth proportional to 58,454.73, 80,668.31 and 34,580.79 is: 47,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,454.73 : 80,668.31 = 34,580.79 : x
  2. Step 2: Convert to fraction form
    58,454.73/80,668.31 = 34,580.79/x
  3. Step 3: Cross multiply
    58,454.73x = 80,668.31 × 34,580.79
  4. Step 4: Simplify right side
    58,454.73x = 2,789,573,714.86
  5. Step 5: Solve for x
    x = 2,789,573,714.86/58,454.73
  6. Step 6: Final answer
    x = 47,721.95

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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.