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Finding the Fourth Proportional to 35,452.80, 53,114.40 and 28,843.20

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Solution

The fourth proportional to 35,452.80, 53,114.40 and 28,843.20 is: 43,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,452.80 : 53,114.40 = 28,843.20 : x
  2. Step 2: Convert to fraction form
    35,452.80/53,114.40 = 28,843.20/x
  3. Step 3: Cross multiply
    35,452.80x = 53,114.40 × 28,843.20
  4. Step 4: Simplify right side
    35,452.80x = 1,531,989,262.08
  5. Step 5: Solve for x
    x = 1,531,989,262.08/35,452.80
  6. Step 6: Final answer
    x = 43,212.08

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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.