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Finding the Fourth Proportional to 11,502.80, 17,250.54 and 4,927.22

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Solution

The fourth proportional to 11,502.80, 17,250.54 and 4,927.22 is: 7,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.80 : 17,250.54 = 4,927.22 : x
  2. Step 2: Convert to fraction form
    11,502.80/17,250.54 = 4,927.22/x
  3. Step 3: Cross multiply
    11,502.80x = 17,250.54 × 4,927.22
  4. Step 4: Simplify right side
    11,502.80x = 84,997,205.70
  5. Step 5: Solve for x
    x = 84,997,205.70/11,502.80
  6. Step 6: Final answer
    x = 7,389.26

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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.