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Finding the Fourth Proportional to 35,656.80, 53,485.20 and 25,159.20

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Solution

The fourth proportional to 35,656.80, 53,485.20 and 25,159.20 is: 37,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,656.80 : 53,485.20 = 25,159.20 : x
  2. Step 2: Convert to fraction form
    35,656.80/53,485.20 = 25,159.20/x
  3. Step 3: Cross multiply
    35,656.80x = 53,485.20 × 25,159.20
  4. Step 4: Simplify right side
    35,656.80x = 1,345,644,843.84
  5. Step 5: Solve for x
    x = 1,345,644,843.84/35,656.80
  6. Step 6: Final answer
    x = 37,738.80

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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.