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Finding the Fourth Proportional to 56,165.60, 84,212.40 and 26,544.80

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Solution

The fourth proportional to 56,165.60, 84,212.40 and 26,544.80 is: 39,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165.60 : 84,212.40 = 26,544.80 : x
  2. Step 2: Convert to fraction form
    56,165.60/84,212.40 = 26,544.80/x
  3. Step 3: Cross multiply
    56,165.60x = 84,212.40 × 26,544.80
  4. Step 4: Simplify right side
    56,165.60x = 2,235,401,315.52
  5. Step 5: Solve for x
    x = 2,235,401,315.52/56,165.60
  6. Step 6: Final answer
    x = 39,800.19

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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.