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Finding the Fourth Proportional to 61,343.99, 91,978.28 and 23,860.36

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Solution

The fourth proportional to 61,343.99, 91,978.28 and 23,860.36 is: 35,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,343.99 : 91,978.28 = 23,860.36 : x
  2. Step 2: Convert to fraction form
    61,343.99/91,978.28 = 23,860.36/x
  3. Step 3: Cross multiply
    61,343.99x = 91,978.28 × 23,860.36
  4. Step 4: Simplify right side
    61,343.99x = 2,194,634,872.98
  5. Step 5: Solve for x
    x = 2,194,634,872.98/61,343.99
  6. Step 6: Final answer
    x = 35,775.88

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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.