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Finding the Fourth Proportional to 67,011.58, 100,518.15 and 17,091.58

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Solution

The fourth proportional to 67,011.58, 100,518.15 and 17,091.58 is: 25,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,011.58 : 100,518.15 = 17,091.58 : x
  2. Step 2: Convert to fraction form
    67,011.58/100,518.15 = 17,091.58/x
  3. Step 3: Cross multiply
    67,011.58x = 100,518.15 × 17,091.58
  4. Step 4: Simplify right side
    67,011.58x = 1,718,014,002.18
  5. Step 5: Solve for x
    x = 1,718,014,002.18/67,011.58
  6. Step 6: Final answer
    x = 25,637.57

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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.