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Finding the Fourth Proportional to 67,085.24, 100,628.90 and 17,164.24

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Solution

The fourth proportional to 67,085.24, 100,628.90 and 17,164.24 is: 25,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,085.24 : 100,628.90 = 17,164.24 : x
  2. Step 2: Convert to fraction form
    67,085.24/100,628.90 = 17,164.24/x
  3. Step 3: Cross multiply
    67,085.24x = 100,628.90 × 17,164.24
  4. Step 4: Simplify right side
    67,085.24x = 1,727,218,590.54
  5. Step 5: Solve for x
    x = 1,727,218,590.54/67,085.24
  6. Step 6: Final answer
    x = 25,746.63

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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.