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Finding the Fourth Proportional to 67,012.58, 100,519.65 and 17,092.58

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Solution

The fourth proportional to 67,012.58, 100,519.65 and 17,092.58 is: 25,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,012.58 : 100,519.65 = 17,092.58 : x
  2. Step 2: Convert to fraction form
    67,012.58/100,519.65 = 17,092.58/x
  3. Step 3: Cross multiply
    67,012.58x = 100,519.65 × 17,092.58
  4. Step 4: Simplify right side
    67,012.58x = 1,718,140,159.20
  5. Step 5: Solve for x
    x = 1,718,140,159.20/67,012.58
  6. Step 6: Final answer
    x = 25,639.07

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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.