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Finding the Fourth Proportional to 35,999.40, 53,999.10 and 33,156.30

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Solution

The fourth proportional to 35,999.40, 53,999.10 and 33,156.30 is: 49,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.40 : 53,999.10 = 33,156.30 : x
  2. Step 2: Convert to fraction form
    35,999.40/53,999.10 = 33,156.30/x
  3. Step 3: Cross multiply
    35,999.40x = 53,999.10 × 33,156.30
  4. Step 4: Simplify right side
    35,999.40x = 1,790,410,359.33
  5. Step 5: Solve for x
    x = 1,790,410,359.33/35,999.40
  6. Step 6: Final answer
    x = 49,734.45

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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.