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Finding the Fourth Proportional to 35,443.60, 53,165.48 and 33,278.48

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Solution

The fourth proportional to 35,443.60, 53,165.48 and 33,278.48 is: 49,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443.60 : 53,165.48 = 33,278.48 : x
  2. Step 2: Convert to fraction form
    35,443.60/53,165.48 = 33,278.48/x
  3. Step 3: Cross multiply
    35,443.60x = 53,165.48 × 33,278.48
  4. Step 4: Simplify right side
    35,443.60x = 1,769,266,362.87
  5. Step 5: Solve for x
    x = 1,769,266,362.87/35,443.60
  6. Step 6: Final answer
    x = 49,917.80

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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.