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Finding the Fourth Proportional to 62,179.72, 85,807.73 and 33,885.40

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Solution

The fourth proportional to 62,179.72, 85,807.73 and 33,885.40 is: 46,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,179.72 : 85,807.73 = 33,885.40 : x
  2. Step 2: Convert to fraction form
    62,179.72/85,807.73 = 33,885.40/x
  3. Step 3: Cross multiply
    62,179.72x = 85,807.73 × 33,885.40
  4. Step 4: Simplify right side
    62,179.72x = 2,907,629,254.14
  5. Step 5: Solve for x
    x = 2,907,629,254.14/62,179.72
  6. Step 6: Final answer
    x = 46,761.70

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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.