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Finding the Fourth Proportional to 67,009.60, 100,514.40 and 27,546.40

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Solution

The fourth proportional to 67,009.60, 100,514.40 and 27,546.40 is: 41,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,009.60 : 100,514.40 = 27,546.40 : x
  2. Step 2: Convert to fraction form
    67,009.60/100,514.40 = 27,546.40/x
  3. Step 3: Cross multiply
    67,009.60x = 100,514.40 × 27,546.40
  4. Step 4: Simplify right side
    67,009.60x = 2,768,809,868.16
  5. Step 5: Solve for x
    x = 2,768,809,868.16/67,009.60
  6. Step 6: Final answer
    x = 41,319.60

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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.