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Finding the Fourth Proportional to 65,245.54, 97,883.63 and 20,264.60

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Solution

The fourth proportional to 65,245.54, 97,883.63 and 20,264.60 is: 30,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,245.54 : 97,883.63 = 20,264.60 : x
  2. Step 2: Convert to fraction form
    65,245.54/97,883.63 = 20,264.60/x
  3. Step 3: Cross multiply
    65,245.54x = 97,883.63 × 20,264.60
  4. Step 4: Simplify right side
    65,245.54x = 1,983,572,608.50
  5. Step 5: Solve for x
    x = 1,983,572,608.50/65,245.54
  6. Step 6: Final answer
    x = 30,401.66

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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.