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Finding the Fourth Proportional to 62,139.63, 85,753.02 and 33,845.38

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Solution

The fourth proportional to 62,139.63, 85,753.02 and 33,845.38 is: 46,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.63 : 85,753.02 = 33,845.38 : x
  2. Step 2: Convert to fraction form
    62,139.63/85,753.02 = 33,845.38/x
  3. Step 3: Cross multiply
    62,139.63x = 85,753.02 × 33,845.38
  4. Step 4: Simplify right side
    62,139.63x = 2,902,343,548.05
  5. Step 5: Solve for x
    x = 2,902,343,548.05/62,139.63
  6. Step 6: Final answer
    x = 46,706.80

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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.