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Finding the Fourth Proportional to 17,312.41, 25,992.65 and 8,884.90

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Solution

The fourth proportional to 17,312.41, 25,992.65 and 8,884.90 is: 13,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.41 : 25,992.65 = 8,884.90 : x
  2. Step 2: Convert to fraction form
    17,312.41/25,992.65 = 8,884.90/x
  3. Step 3: Cross multiply
    17,312.41x = 25,992.65 × 8,884.90
  4. Step 4: Simplify right side
    17,312.41x = 230,942,095.99
  5. Step 5: Solve for x
    x = 230,942,095.99/17,312.41
  6. Step 6: Final answer
    x = 13,339.68

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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.