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Finding the Fourth Proportional to 16,992.94, 25,489.40 and 5,307.16

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Solution

The fourth proportional to 16,992.94, 25,489.40 and 5,307.16 is: 7,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992.94 : 25,489.40 = 5,307.16 : x
  2. Step 2: Convert to fraction form
    16,992.94/25,489.40 = 5,307.16/x
  3. Step 3: Cross multiply
    16,992.94x = 25,489.40 × 5,307.16
  4. Step 4: Simplify right side
    16,992.94x = 135,276,324.10
  5. Step 5: Solve for x
    x = 135,276,324.10/16,992.94
  6. Step 6: Final answer
    x = 7,960.74

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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.