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Finding the Fourth Proportional to 55,009.44, 75,878.64 and 33,493.68

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Solution

The fourth proportional to 55,009.44, 75,878.64 and 33,493.68 is: 46,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,009.44 : 75,878.64 = 33,493.68 : x
  2. Step 2: Convert to fraction form
    55,009.44/75,878.64 = 33,493.68/x
  3. Step 3: Cross multiply
    55,009.44x = 75,878.64 × 33,493.68
  4. Step 4: Simplify right side
    55,009.44x = 2,541,454,887.00
  5. Step 5: Solve for x
    x = 2,541,454,887.00/55,009.44
  6. Step 6: Final answer
    x = 46,200.34

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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.