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Finding the Fourth Proportional to 56,491.34, 84,739.22 and 17,048.46

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Solution

The fourth proportional to 56,491.34, 84,739.22 and 17,048.46 is: 25,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.34 : 84,739.22 = 17,048.46 : x
  2. Step 2: Convert to fraction form
    56,491.34/84,739.22 = 17,048.46/x
  3. Step 3: Cross multiply
    56,491.34x = 84,739.22 × 17,048.46
  4. Step 4: Simplify right side
    56,491.34x = 1,444,673,117.36
  5. Step 5: Solve for x
    x = 1,444,673,117.36/56,491.34
  6. Step 6: Final answer
    x = 25,573.36

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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.