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Finding the Fourth Proportional to 62,879.60, 94,319.40 and 25,457.60

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Solution

The fourth proportional to 62,879.60, 94,319.40 and 25,457.60 is: 38,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,879.60 : 94,319.40 = 25,457.60 : x
  2. Step 2: Convert to fraction form
    62,879.60/94,319.40 = 25,457.60/x
  3. Step 3: Cross multiply
    62,879.60x = 94,319.40 × 25,457.60
  4. Step 4: Simplify right side
    62,879.60x = 2,401,145,557.44
  5. Step 5: Solve for x
    x = 2,401,145,557.44/62,879.60
  6. Step 6: Final answer
    x = 38,186.40

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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.