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Finding the Fourth Proportional to 75,067.44, 112,445.16 and 35,655.60

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Solution

The fourth proportional to 75,067.44, 112,445.16 and 35,655.60 is: 53,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,067.44 : 112,445.16 = 35,655.60 : x
  2. Step 2: Convert to fraction form
    75,067.44/112,445.16 = 35,655.60/x
  3. Step 3: Cross multiply
    75,067.44x = 112,445.16 × 35,655.60
  4. Step 4: Simplify right side
    75,067.44x = 4,009,299,646.90
  5. Step 5: Solve for x
    x = 4,009,299,646.90/75,067.44
  6. Step 6: Final answer
    x = 53,409.30

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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.