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Finding the Fourth Proportional to 65,402.85, 98,114.56 and 27,963.12

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Solution

The fourth proportional to 65,402.85, 98,114.56 and 27,963.12 is: 41,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,402.85 : 98,114.56 = 27,963.12 : x
  2. Step 2: Convert to fraction form
    65,402.85/98,114.56 = 27,963.12/x
  3. Step 3: Cross multiply
    65,402.85x = 98,114.56 × 27,963.12
  4. Step 4: Simplify right side
    65,402.85x = 2,743,589,670.34
  5. Step 5: Solve for x
    x = 2,743,589,670.34/65,402.85
  6. Step 6: Final answer
    x = 41,949.08

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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.