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Finding the Fourth Proportional to 62,094.50, 85,690.42 and 33,800.40

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Solution

The fourth proportional to 62,094.50, 85,690.42 and 33,800.40 is: 46,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,094.50 : 85,690.42 = 33,800.40 : x
  2. Step 2: Convert to fraction form
    62,094.50/85,690.42 = 33,800.40/x
  3. Step 3: Cross multiply
    62,094.50x = 85,690.42 × 33,800.40
  4. Step 4: Simplify right side
    62,094.50x = 2,896,370,472.17
  5. Step 5: Solve for x
    x = 2,896,370,472.17/62,094.50
  6. Step 6: Final answer
    x = 46,644.56

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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.