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Finding the Fourth Proportional to 35,949.60, 53,902.80 and 18,453.60

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Solution

The fourth proportional to 35,949.60, 53,902.80 and 18,453.60 is: 27,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,949.60 : 53,902.80 = 18,453.60 : x
  2. Step 2: Convert to fraction form
    35,949.60/53,902.80 = 18,453.60/x
  3. Step 3: Cross multiply
    35,949.60x = 53,902.80 × 18,453.60
  4. Step 4: Simplify right side
    35,949.60x = 994,700,710.08
  5. Step 5: Solve for x
    x = 994,700,710.08/35,949.60
  6. Step 6: Final answer
    x = 27,669.31

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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.