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Finding the Fourth Proportional to 56,579.71, 84,887.99 and 26,993.72

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Solution

The fourth proportional to 56,579.71, 84,887.99 and 26,993.72 is: 40,499.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,579.71 : 84,887.99 = 26,993.72 : x
  2. Step 2: Convert to fraction form
    56,579.71/84,887.99 = 26,993.72/x
  3. Step 3: Cross multiply
    56,579.71x = 84,887.99 × 26,993.72
  4. Step 4: Simplify right side
    56,579.71x = 2,291,442,175.24
  5. Step 5: Solve for x
    x = 2,291,442,175.24/56,579.71
  6. Step 6: Final answer
    x = 40,499.36

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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.