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Finding the Fourth Proportional to 67,020.08, 100,530.90 and 17,100.08

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Solution

The fourth proportional to 67,020.08, 100,530.90 and 17,100.08 is: 25,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,020.08 : 100,530.90 = 17,100.08 : x
  2. Step 2: Convert to fraction form
    67,020.08/100,530.90 = 17,100.08/x
  3. Step 3: Cross multiply
    67,020.08x = 100,530.90 × 17,100.08
  4. Step 4: Simplify right side
    67,020.08x = 1,719,086,432.47
  5. Step 5: Solve for x
    x = 1,719,086,432.47/67,020.08
  6. Step 6: Final answer
    x = 25,650.32

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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.