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Finding the Fourth Proportional to 65,364.48, 98,022.40 and 25,908.48

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Solution

The fourth proportional to 65,364.48, 98,022.40 and 25,908.48 is: 38,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,364.48 : 98,022.40 = 25,908.48 : x
  2. Step 2: Convert to fraction form
    65,364.48/98,022.40 = 25,908.48/x
  3. Step 3: Cross multiply
    65,364.48x = 98,022.40 × 25,908.48
  4. Step 4: Simplify right side
    65,364.48x = 2,539,611,389.95
  5. Step 5: Solve for x
    x = 2,539,611,389.95/65,364.48
  6. Step 6: Final answer
    x = 38,853.08

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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.