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Finding the Fourth Proportional to 56,494.60, 84,744.10 and 17,051.72

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Solution

The fourth proportional to 56,494.60, 84,744.10 and 17,051.72 is: 25,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,494.60 : 84,744.10 = 17,051.72 : x
  2. Step 2: Convert to fraction form
    56,494.60/84,744.10 = 17,051.72/x
  3. Step 3: Cross multiply
    56,494.60x = 84,744.10 × 17,051.72
  4. Step 4: Simplify right side
    56,494.60x = 1,445,032,664.85
  5. Step 5: Solve for x
    x = 1,445,032,664.85/56,494.60
  6. Step 6: Final answer
    x = 25,578.24

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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.