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Finding the Fourth Proportional to 58,759.44, 81,087.72 and 31,901.76

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Solution

The fourth proportional to 58,759.44, 81,087.72 and 31,901.76 is: 44,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,759.44 : 81,087.72 = 31,901.76 : x
  2. Step 2: Convert to fraction form
    58,759.44/81,087.72 = 31,901.76/x
  3. Step 3: Cross multiply
    58,759.44x = 81,087.72 × 31,901.76
  4. Step 4: Simplify right side
    58,759.44x = 2,586,840,982.39
  5. Step 5: Solve for x
    x = 2,586,840,982.39/58,759.44
  6. Step 6: Final answer
    x = 44,024.26

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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.