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Finding the Fourth Proportional to 67,006.80, 100,461.60 and 27,543.60

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Solution

The fourth proportional to 67,006.80, 100,461.60 and 27,543.60 is: 41,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,006.80 : 100,461.60 = 27,543.60 : x
  2. Step 2: Convert to fraction form
    67,006.80/100,461.60 = 27,543.60/x
  3. Step 3: Cross multiply
    67,006.80x = 100,461.60 × 27,543.60
  4. Step 4: Simplify right side
    67,006.80x = 2,767,074,125.76
  5. Step 5: Solve for x
    x = 2,767,074,125.76/67,006.80
  6. Step 6: Final answer
    x = 41,295.42

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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.