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Finding the Fourth Proportional to 17,353.90, 26,031.91 and 4,874.94

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Solution

The fourth proportional to 17,353.90, 26,031.91 and 4,874.94 is: 7,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,353.90 : 26,031.91 = 4,874.94 : x
  2. Step 2: Convert to fraction form
    17,353.90/26,031.91 = 4,874.94/x
  3. Step 3: Cross multiply
    17,353.90x = 26,031.91 × 4,874.94
  4. Step 4: Simplify right side
    17,353.90x = 126,903,999.34
  5. Step 5: Solve for x
    x = 126,903,999.34/17,353.90
  6. Step 6: Final answer
    x = 7,312.71

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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.