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Finding the Fourth Proportional to 53,283.52, 79,918.90 and 41,449.12

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Solution

The fourth proportional to 53,283.52, 79,918.90 and 41,449.12 is: 62,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,283.52 : 79,918.90 = 41,449.12 : x
  2. Step 2: Convert to fraction form
    53,283.52/79,918.90 = 41,449.12/x
  3. Step 3: Cross multiply
    53,283.52x = 79,918.90 × 41,449.12
  4. Step 4: Simplify right side
    53,283.52x = 3,312,568,006.10
  5. Step 5: Solve for x
    x = 3,312,568,006.10/53,283.52
  6. Step 6: Final answer
    x = 62,168.71

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1.5x scale

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.