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Finding the Fourth Proportional to 57,259.50, 79,018.14 and 32,109

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Solution

The fourth proportional to 57,259.50, 79,018.14 and 32,109 is: 44,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,259.50 : 79,018.14 = 32,109 : x
  2. Step 2: Convert to fraction form
    57,259.50/79,018.14 = 32,109/x
  3. Step 3: Cross multiply
    57,259.50x = 79,018.14 × 32,109
  4. Step 4: Simplify right side
    57,259.50x = 2,537,193,457.26
  5. Step 5: Solve for x
    x = 2,537,193,457.26/57,259.50
  6. Step 6: Final answer
    x = 44,310.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.