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Finding the Fourth Proportional to 63,712.07, 95,579.03 and 19,343.30

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Solution

The fourth proportional to 63,712.07, 95,579.03 and 19,343.30 is: 29,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,712.07 : 95,579.03 = 19,343.30 : x
  2. Step 2: Convert to fraction form
    63,712.07/95,579.03 = 19,343.30/x
  3. Step 3: Cross multiply
    63,712.07x = 95,579.03 × 19,343.30
  4. Step 4: Simplify right side
    63,712.07x = 1,848,813,851.00
  5. Step 5: Solve for x
    x = 1,848,813,851.00/63,712.07
  6. Step 6: Final answer
    x = 29,018.27

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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.