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Finding the Fourth Proportional to 67,070.79, 100,605.83 and 17,150.81

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Solution

The fourth proportional to 67,070.79, 100,605.83 and 17,150.81 is: 25,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070.79 : 100,605.83 = 17,150.81 : x
  2. Step 2: Convert to fraction form
    67,070.79/100,605.83 = 17,150.81/x
  3. Step 3: Cross multiply
    67,070.79x = 100,605.83 × 17,150.81
  4. Step 4: Simplify right side
    67,070.79x = 1,725,470,886.44
  5. Step 5: Solve for x
    x = 1,725,470,886.44/67,070.79
  6. Step 6: Final answer
    x = 25,726.12

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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.