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Finding the Fourth Proportional to 65,262.96, 97,908.84 and 20,893.32

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Solution

The fourth proportional to 65,262.96, 97,908.84 and 20,893.32 is: 31,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,262.96 : 97,908.84 = 20,893.32 : x
  2. Step 2: Convert to fraction form
    65,262.96/97,908.84 = 20,893.32/x
  3. Step 3: Cross multiply
    65,262.96x = 97,908.84 × 20,893.32
  4. Step 4: Simplify right side
    65,262.96x = 2,045,640,724.95
  5. Step 5: Solve for x
    x = 2,045,640,724.95/65,262.96
  6. Step 6: Final answer
    x = 31,344.59

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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.