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Finding the Fourth Proportional to 62,285.84, 85,954.92 and 33,991.76

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Solution

The fourth proportional to 62,285.84, 85,954.92 and 33,991.76 is: 46,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,285.84 : 85,954.92 = 33,991.76 : x
  2. Step 2: Convert to fraction form
    62,285.84/85,954.92 = 33,991.76/x
  3. Step 3: Cross multiply
    62,285.84x = 85,954.92 × 33,991.76
  4. Step 4: Simplify right side
    62,285.84x = 2,921,759,011.46
  5. Step 5: Solve for x
    x = 2,921,759,011.46/62,285.84
  6. Step 6: Final answer
    x = 46,908.88

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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.