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Finding the Fourth Proportional to 53,062.40, 79,513.40 and 35,500.80

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Solution

The fourth proportional to 53,062.40, 79,513.40 and 35,500.80 is: 53,197.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,062.40 : 79,513.40 = 35,500.80 : x
  2. Step 2: Convert to fraction form
    53,062.40/79,513.40 = 35,500.80/x
  3. Step 3: Cross multiply
    53,062.40x = 79,513.40 × 35,500.80
  4. Step 4: Simplify right side
    53,062.40x = 2,822,789,310.72
  5. Step 5: Solve for x
    x = 2,822,789,310.72/53,062.40
  6. Step 6: Final answer
    x = 53,197.54

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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.