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Finding the Fourth Proportional to 65,625.80, 98,511.60 and 36,101.30

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Solution

The fourth proportional to 65,625.80, 98,511.60 and 36,101.30 is: 54,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,625.80 : 98,511.60 = 36,101.30 : x
  2. Step 2: Convert to fraction form
    65,625.80/98,511.60 = 36,101.30/x
  3. Step 3: Cross multiply
    65,625.80x = 98,511.60 × 36,101.30
  4. Step 4: Simplify right side
    65,625.80x = 3,556,396,825.08
  5. Step 5: Solve for x
    x = 3,556,396,825.08/65,625.80
  6. Step 6: Final answer
    x = 54,192.05

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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.