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Finding the Fourth Proportional to 55,663.44, 76,889.16 and 41,491.68

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Solution

The fourth proportional to 55,663.44, 76,889.16 and 41,491.68 is: 57,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,663.44 : 76,889.16 = 41,491.68 : x
  2. Step 2: Convert to fraction form
    55,663.44/76,889.16 = 41,491.68/x
  3. Step 3: Cross multiply
    55,663.44x = 76,889.16 × 41,491.68
  4. Step 4: Simplify right side
    55,663.44x = 3,190,260,422.19
  5. Step 5: Solve for x
    x = 3,190,260,422.19/55,663.44
  6. Step 6: Final answer
    x = 57,313.39

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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.