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Finding the Fourth Proportional to 35,481.20, 53,196.20 and 19,903.60

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Solution

The fourth proportional to 35,481.20, 53,196.20 and 19,903.60 is: 29,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.20 : 53,196.20 = 19,903.60 : x
  2. Step 2: Convert to fraction form
    35,481.20/53,196.20 = 19,903.60/x
  3. Step 3: Cross multiply
    35,481.20x = 53,196.20 × 19,903.60
  4. Step 4: Simplify right side
    35,481.20x = 1,058,795,886.32
  5. Step 5: Solve for x
    x = 1,058,795,886.32/35,481.20
  6. Step 6: Final answer
    x = 29,841.04

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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.