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Finding the Fourth Proportional to 58,752.60, 81,080.31 and 31,896.82

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Solution

The fourth proportional to 58,752.60, 81,080.31 and 31,896.82 is: 44,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,752.60 : 81,080.31 = 31,896.82 : x
  2. Step 2: Convert to fraction form
    58,752.60/81,080.31 = 31,896.82/x
  3. Step 3: Cross multiply
    58,752.60x = 81,080.31 × 31,896.82
  4. Step 4: Simplify right side
    58,752.60x = 2,586,204,053.61
  5. Step 5: Solve for x
    x = 2,586,204,053.61/58,752.60
  6. Step 6: Final answer
    x = 44,018.55

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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.