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Finding the Fourth Proportional to 67,325.46, 100,988.16 and 18,077.46

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Solution

The fourth proportional to 67,325.46, 100,988.16 and 18,077.46 is: 27,116.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,325.46 : 100,988.16 = 18,077.46 : x
  2. Step 2: Convert to fraction form
    67,325.46/100,988.16 = 18,077.46/x
  3. Step 3: Cross multiply
    67,325.46x = 100,988.16 × 18,077.46
  4. Step 4: Simplify right side
    67,325.46x = 1,825,609,422.87
  5. Step 5: Solve for x
    x = 1,825,609,422.87/67,325.46
  6. Step 6: Final answer
    x = 27,116.18

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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.