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Finding the Fourth Proportional to 19,294.64, 26,627.32 and 10,910.64

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Solution

The fourth proportional to 19,294.64, 26,627.32 and 10,910.64 is: 15,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.64 : 26,627.32 = 10,910.64 : x
  2. Step 2: Convert to fraction form
    19,294.64/26,627.32 = 10,910.64/x
  3. Step 3: Cross multiply
    19,294.64x = 26,627.32 × 10,910.64
  4. Step 4: Simplify right side
    19,294.64x = 290,521,102.68
  5. Step 5: Solve for x
    x = 290,521,102.68/19,294.64
  6. Step 6: Final answer
    x = 15,057.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.