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Finding the Fourth Proportional to 62,305.70, 85,983.72 and 35,443.22

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Solution

The fourth proportional to 62,305.70, 85,983.72 and 35,443.22 is: 48,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,305.70 : 85,983.72 = 35,443.22 : x
  2. Step 2: Convert to fraction form
    62,305.70/85,983.72 = 35,443.22/x
  3. Step 3: Cross multiply
    62,305.70x = 85,983.72 × 35,443.22
  4. Step 4: Simplify right side
    62,305.70x = 3,047,539,904.38
  5. Step 5: Solve for x
    x = 3,047,539,904.38/62,305.70
  6. Step 6: Final answer
    x = 48,912.70

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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.