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Finding the Fourth Proportional to 65,251.94, 97,878.48 and 25,809.05

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Solution

The fourth proportional to 65,251.94, 97,878.48 and 25,809.05 is: 38,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,251.94 : 97,878.48 = 25,809.05 : x
  2. Step 2: Convert to fraction form
    65,251.94/97,878.48 = 25,809.05/x
  3. Step 3: Cross multiply
    65,251.94x = 97,878.48 × 25,809.05
  4. Step 4: Simplify right side
    65,251.94x = 2,526,150,094.85
  5. Step 5: Solve for x
    x = 2,526,150,094.85/65,251.94
  6. Step 6: Final answer
    x = 38,713.80

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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.