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Finding the Fourth Proportional to 63,321.40, 94,947.02 and 25,907.76

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Solution

The fourth proportional to 63,321.40, 94,947.02 and 25,907.76 is: 38,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,321.40 : 94,947.02 = 25,907.76 : x
  2. Step 2: Convert to fraction form
    63,321.40/94,947.02 = 25,907.76/x
  3. Step 3: Cross multiply
    63,321.40x = 94,947.02 × 25,907.76
  4. Step 4: Simplify right side
    63,321.40x = 2,459,864,606.88
  5. Step 5: Solve for x
    x = 2,459,864,606.88/63,321.40
  6. Step 6: Final answer
    x = 38,847.29

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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.