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Finding the Fourth Proportional to 58,999.38, 81,425.70 and 36,333.90

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Solution

The fourth proportional to 58,999.38, 81,425.70 and 36,333.90 is: 50,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,999.38 : 81,425.70 = 36,333.90 : x
  2. Step 2: Convert to fraction form
    58,999.38/81,425.70 = 36,333.90/x
  3. Step 3: Cross multiply
    58,999.38x = 81,425.70 × 36,333.90
  4. Step 4: Simplify right side
    58,999.38x = 2,958,513,241.23
  5. Step 5: Solve for x
    x = 2,958,513,241.23/58,999.38
  6. Step 6: Final answer
    x = 50,144.82

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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.