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Finding the Fourth Proportional to 58,729.50, 81,046.80 and 33,579.54

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Solution

The fourth proportional to 58,729.50, 81,046.80 and 33,579.54 is: 46,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,729.50 : 81,046.80 = 33,579.54 : x
  2. Step 2: Convert to fraction form
    58,729.50/81,046.80 = 33,579.54/x
  3. Step 3: Cross multiply
    58,729.50x = 81,046.80 × 33,579.54
  4. Step 4: Simplify right side
    58,729.50x = 2,721,514,262.47
  5. Step 5: Solve for x
    x = 2,721,514,262.47/58,729.50
  6. Step 6: Final answer
    x = 46,339.82

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1.5x scale

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.