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Finding the Fourth Proportional to 11,213.73, 16,813.58 and 4,973.49

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Solution

The fourth proportional to 11,213.73, 16,813.58 and 4,973.49 is: 7,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.73 : 16,813.58 = 4,973.49 : x
  2. Step 2: Convert to fraction form
    11,213.73/16,813.58 = 4,973.49/x
  3. Step 3: Cross multiply
    11,213.73x = 16,813.58 × 4,973.49
  4. Step 4: Simplify right side
    11,213.73x = 83,622,147.13
  5. Step 5: Solve for x
    x = 83,622,147.13/11,213.73
  6. Step 6: Final answer
    x = 7,457.12

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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.