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Finding the Fourth Proportional to 65,940.85, 98,911.39 and 16,020.98

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Solution

The fourth proportional to 65,940.85, 98,911.39 and 16,020.98 is: 24,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,940.85 : 98,911.39 = 16,020.98 : x
  2. Step 2: Convert to fraction form
    65,940.85/98,911.39 = 16,020.98/x
  3. Step 3: Cross multiply
    65,940.85x = 98,911.39 × 16,020.98
  4. Step 4: Simplify right side
    65,940.85x = 1,584,657,608.19
  5. Step 5: Solve for x
    x = 1,584,657,608.19/65,940.85
  6. Step 6: Final answer
    x = 24,031.50

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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.