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Finding the Fourth Proportional to 65,905.50, 98,850.04 and 26,449.28

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Solution

The fourth proportional to 65,905.50, 98,850.04 and 26,449.28 is: 39,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,905.50 : 98,850.04 = 26,449.28 : x
  2. Step 2: Convert to fraction form
    65,905.50/98,850.04 = 26,449.28/x
  3. Step 3: Cross multiply
    65,905.50x = 98,850.04 × 26,449.28
  4. Step 4: Simplify right side
    65,905.50x = 2,614,512,633.10
  5. Step 5: Solve for x
    x = 2,614,512,633.10/65,905.50
  6. Step 6: Final answer
    x = 39,670.63

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1.5x scale

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.