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Finding the Fourth Proportional to 17,594.64, 26,363.88 and 12,892.86

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Solution

The fourth proportional to 17,594.64, 26,363.88 and 12,892.86 is: 19,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,594.64 : 26,363.88 = 12,892.86 : x
  2. Step 2: Convert to fraction form
    17,594.64/26,363.88 = 12,892.86/x
  3. Step 3: Cross multiply
    17,594.64x = 26,363.88 × 12,892.86
  4. Step 4: Simplify right side
    17,594.64x = 339,905,813.90
  5. Step 5: Solve for x
    x = 339,905,813.90/17,594.64
  6. Step 6: Final answer
    x = 19,318.71

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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.