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Finding the Fourth Proportional to 65,970.53, 98,918.31 and 25,967.84

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Solution

The fourth proportional to 65,970.53, 98,918.31 and 25,967.84 is: 38,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,970.53 : 98,918.31 = 25,967.84 : x
  2. Step 2: Convert to fraction form
    65,970.53/98,918.31 = 25,967.84/x
  3. Step 3: Cross multiply
    65,970.53x = 98,918.31 × 25,967.84
  4. Step 4: Simplify right side
    65,970.53x = 2,568,694,222.72
  5. Step 5: Solve for x
    x = 2,568,694,222.72/65,970.53
  6. Step 6: Final answer
    x = 38,937.00

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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.