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Finding the Fourth Proportional to 62,016.80, 93,025.20 and 19,896.80

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Solution

The fourth proportional to 62,016.80, 93,025.20 and 19,896.80 is: 29,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,016.80 : 93,025.20 = 19,896.80 : x
  2. Step 2: Convert to fraction form
    62,016.80/93,025.20 = 19,896.80/x
  3. Step 3: Cross multiply
    62,016.80x = 93,025.20 × 19,896.80
  4. Step 4: Simplify right side
    62,016.80x = 1,850,903,799.36
  5. Step 5: Solve for x
    x = 1,850,903,799.36/62,016.80
  6. Step 6: Final answer
    x = 29,845.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.