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Finding the Fourth Proportional to 11,637.97, 17,457.11 and 2,872.88

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Solution

The fourth proportional to 11,637.97, 17,457.11 and 2,872.88 is: 4,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.97 : 17,457.11 = 2,872.88 : x
  2. Step 2: Convert to fraction form
    11,637.97/17,457.11 = 2,872.88/x
  3. Step 3: Cross multiply
    11,637.97x = 17,457.11 × 2,872.88
  4. Step 4: Simplify right side
    11,637.97x = 50,152,102.07
  5. Step 5: Solve for x
    x = 50,152,102.07/11,637.97
  6. Step 6: Final answer
    x = 4,309.35

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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.