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Finding the Fourth Proportional to 65,999.40, 98,912.70 and 26,524.20

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Solution

The fourth proportional to 65,999.40, 98,912.70 and 26,524.20 is: 39,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,999.40 : 98,912.70 = 26,524.20 : x
  2. Step 2: Convert to fraction form
    65,999.40/98,912.70 = 26,524.20/x
  3. Step 3: Cross multiply
    65,999.40x = 98,912.70 × 26,524.20
  4. Step 4: Simplify right side
    65,999.40x = 2,623,580,237.34
  5. Step 5: Solve for x
    x = 2,623,580,237.34/65,999.40
  6. Step 6: Final answer
    x = 39,751.58

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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.