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Finding the Fourth Proportional to 62,040.70, 93,015.68 and 19,896.80

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Solution

The fourth proportional to 62,040.70, 93,015.68 and 19,896.80 is: 29,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,040.70 : 93,015.68 = 19,896.80 : x
  2. Step 2: Convert to fraction form
    62,040.70/93,015.68 = 19,896.80/x
  3. Step 3: Cross multiply
    62,040.70x = 93,015.68 × 19,896.80
  4. Step 4: Simplify right side
    62,040.70x = 1,850,714,381.82
  5. Step 5: Solve for x
    x = 1,850,714,381.82/62,040.70
  6. Step 6: Final answer
    x = 29,830.65

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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.