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Finding the Fourth Proportional to 56,490.53, 84,739.03 and 17,051.63

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Solution

The fourth proportional to 56,490.53, 84,739.03 and 17,051.63 is: 25,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.53 : 84,739.03 = 17,051.63 : x
  2. Step 2: Convert to fraction form
    56,490.53/84,739.03 = 17,051.63/x
  3. Step 3: Cross multiply
    56,490.53x = 84,739.03 × 17,051.63
  4. Step 4: Simplify right side
    56,490.53x = 1,444,938,119.79
  5. Step 5: Solve for x
    x = 1,444,938,119.79/56,490.53
  6. Step 6: Final answer
    x = 25,578.42

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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.