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Finding the Fourth Proportional to 17,920.94, 26,893.08 and 6,827.72

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Solution

The fourth proportional to 17,920.94, 26,893.08 and 6,827.72 is: 10,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.94 : 26,893.08 = 6,827.72 : x
  2. Step 2: Convert to fraction form
    17,920.94/26,893.08 = 6,827.72/x
  3. Step 3: Cross multiply
    17,920.94x = 26,893.08 × 6,827.72
  4. Step 4: Simplify right side
    17,920.94x = 183,618,285.71
  5. Step 5: Solve for x
    x = 183,618,285.71/17,920.94
  6. Step 6: Final answer
    x = 10,246.02

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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.