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Finding the Fourth Proportional to 67,117.21, 100,673.49 and 17,197.72

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Solution

The fourth proportional to 67,117.21, 100,673.49 and 17,197.72 is: 25,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,117.21 : 100,673.49 = 17,197.72 : x
  2. Step 2: Convert to fraction form
    67,117.21/100,673.49 = 17,197.72/x
  3. Step 3: Cross multiply
    67,117.21x = 100,673.49 × 17,197.72
  4. Step 4: Simplify right side
    67,117.21x = 1,731,354,492.44
  5. Step 5: Solve for x
    x = 1,731,354,492.44/67,117.21
  6. Step 6: Final answer
    x = 25,795.98

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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.