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Finding the Fourth Proportional to 58,842.57, 81,200.75 and 33,687.21

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Solution

The fourth proportional to 58,842.57, 81,200.75 and 33,687.21 is: 46,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,842.57 : 81,200.75 = 33,687.21 : x
  2. Step 2: Convert to fraction form
    58,842.57/81,200.75 = 33,687.21/x
  3. Step 3: Cross multiply
    58,842.57x = 81,200.75 × 33,687.21
  4. Step 4: Simplify right side
    58,842.57x = 2,735,426,717.41
  5. Step 5: Solve for x
    x = 2,735,426,717.41/58,842.57
  6. Step 6: Final answer
    x = 46,487.21

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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.