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Finding the Fourth Proportional to 60,610.36, 90,915.54 and 19,057.36

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Solution

The fourth proportional to 60,610.36, 90,915.54 and 19,057.36 is: 28,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,610.36 : 90,915.54 = 19,057.36 : x
  2. Step 2: Convert to fraction form
    60,610.36/90,915.54 = 19,057.36/x
  3. Step 3: Cross multiply
    60,610.36x = 90,915.54 × 19,057.36
  4. Step 4: Simplify right side
    60,610.36x = 1,732,610,100.69
  5. Step 5: Solve for x
    x = 1,732,610,100.69/60,610.36
  6. Step 6: Final answer
    x = 28,586.04

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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.