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Finding the Fourth Proportional to 67,254.60, 100,857.60 and 27,256.80

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Solution

The fourth proportional to 67,254.60, 100,857.60 and 27,256.80 is: 40,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,254.60 : 100,857.60 = 27,256.80 : x
  2. Step 2: Convert to fraction form
    67,254.60/100,857.60 = 27,256.80/x
  3. Step 3: Cross multiply
    67,254.60x = 100,857.60 × 27,256.80
  4. Step 4: Simplify right side
    67,254.60x = 2,749,055,431.68
  5. Step 5: Solve for x
    x = 2,749,055,431.68/67,254.60
  6. Step 6: Final answer
    x = 40,875.35

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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.