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Finding the Fourth Proportional to 19,896.34, 27,457.63 and 10,944.22

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Solution

The fourth proportional to 19,896.34, 27,457.63 and 10,944.22 is: 15,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.34 : 27,457.63 = 10,944.22 : x
  2. Step 2: Convert to fraction form
    19,896.34/27,457.63 = 10,944.22/x
  3. Step 3: Cross multiply
    19,896.34x = 27,457.63 × 10,944.22
  4. Step 4: Simplify right side
    19,896.34x = 300,502,343.40
  5. Step 5: Solve for x
    x = 300,502,343.40/19,896.34
  6. Step 6: Final answer
    x = 15,103.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.