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Finding the Fourth Proportional to 53,662.80, 74,069.10 and 33,507.48

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Solution

The fourth proportional to 53,662.80, 74,069.10 and 33,507.48 is: 46,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.80 : 74,069.10 = 33,507.48 : x
  2. Step 2: Convert to fraction form
    53,662.80/74,069.10 = 33,507.48/x
  3. Step 3: Cross multiply
    53,662.80x = 74,069.10 × 33,507.48
  4. Step 4: Simplify right side
    53,662.80x = 2,481,868,886.87
  5. Step 5: Solve for x
    x = 2,481,868,886.87/53,662.80
  6. Step 6: Final answer
    x = 46,249.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.