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Finding the Fourth Proportional to 40,953.60, 61,415.04 and 17,568

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Solution

The fourth proportional to 40,953.60, 61,415.04 and 17,568 is: 26,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,953.60 : 61,415.04 = 17,568 : x
  2. Step 2: Convert to fraction form
    40,953.60/61,415.04 = 17,568/x
  3. Step 3: Cross multiply
    40,953.60x = 61,415.04 × 17,568
  4. Step 4: Simplify right side
    40,953.60x = 1,078,939,422.72
  5. Step 5: Solve for x
    x = 1,078,939,422.72/40,953.60
  6. Step 6: Final answer
    x = 26,345.41

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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.