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Finding the Fourth Proportional to 75,015.67, 112,465.09 and 37,556.44

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Solution

The fourth proportional to 75,015.67, 112,465.09 and 37,556.44 is: 56,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,015.67 : 112,465.09 = 37,556.44 : x
  2. Step 2: Convert to fraction form
    75,015.67/112,465.09 = 37,556.44/x
  3. Step 3: Cross multiply
    75,015.67x = 112,465.09 × 37,556.44
  4. Step 4: Simplify right side
    75,015.67x = 4,223,788,404.68
  5. Step 5: Solve for x
    x = 4,223,788,404.68/75,015.67
  6. Step 6: Final answer
    x = 56,305.41

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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.