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Finding the Fourth Proportional to 17,401.96, 26,102.80 and 4,254.22

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Solution

The fourth proportional to 17,401.96, 26,102.80 and 4,254.22 is: 6,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,401.96 : 26,102.80 = 4,254.22 : x
  2. Step 2: Convert to fraction form
    17,401.96/26,102.80 = 4,254.22/x
  3. Step 3: Cross multiply
    17,401.96x = 26,102.80 × 4,254.22
  4. Step 4: Simplify right side
    17,401.96x = 111,047,053.82
  5. Step 5: Solve for x
    x = 111,047,053.82/17,401.96
  6. Step 6: Final answer
    x = 6,381.30

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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.