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Finding the Fourth Proportional to 35,129.60, 52,809.60 and 24,812.80

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Solution

The fourth proportional to 35,129.60, 52,809.60 and 24,812.80 is: 37,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.60 : 52,809.60 = 24,812.80 : x
  2. Step 2: Convert to fraction form
    35,129.60/52,809.60 = 24,812.80/x
  3. Step 3: Cross multiply
    35,129.60x = 52,809.60 × 24,812.80
  4. Step 4: Simplify right side
    35,129.60x = 1,310,354,042.88
  5. Step 5: Solve for x
    x = 1,310,354,042.88/35,129.60
  6. Step 6: Final answer
    x = 37,300.57

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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.