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Finding the Fourth Proportional to 65,254.39, 97,896.17 and 20,883.80

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Solution

The fourth proportional to 65,254.39, 97,896.17 and 20,883.80 is: 31,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,254.39 : 97,896.17 = 20,883.80 : x
  2. Step 2: Convert to fraction form
    65,254.39/97,896.17 = 20,883.80/x
  3. Step 3: Cross multiply
    65,254.39x = 97,896.17 × 20,883.80
  4. Step 4: Simplify right side
    65,254.39x = 2,044,444,035.05
  5. Step 5: Solve for x
    x = 2,044,444,035.05/65,254.39
  6. Step 6: Final answer
    x = 31,330.37

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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.