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Finding the Fourth Proportional to 17,717.33, 26,592.40 and 8,958.40

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Solution

The fourth proportional to 17,717.33, 26,592.40 and 8,958.40 is: 13,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.33 : 26,592.40 = 8,958.40 : x
  2. Step 2: Convert to fraction form
    17,717.33/26,592.40 = 8,958.40/x
  3. Step 3: Cross multiply
    17,717.33x = 26,592.40 × 8,958.40
  4. Step 4: Simplify right side
    17,717.33x = 238,225,300.88
  5. Step 5: Solve for x
    x = 238,225,300.88/17,717.33
  6. Step 6: Final answer
    x = 13,445.89

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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.