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Finding the Fourth Proportional to 56,570.80, 84,834.60 and 17,114.80

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Solution

The fourth proportional to 56,570.80, 84,834.60 and 17,114.80 is: 25,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,570.80 : 84,834.60 = 17,114.80 : x
  2. Step 2: Convert to fraction form
    56,570.80/84,834.60 = 17,114.80/x
  3. Step 3: Cross multiply
    56,570.80x = 84,834.60 × 17,114.80
  4. Step 4: Simplify right side
    56,570.80x = 1,451,927,212.08
  5. Step 5: Solve for x
    x = 1,451,927,212.08/56,570.80
  6. Step 6: Final answer
    x = 25,665.67

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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.