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Finding the Fourth Proportional to 75,097.13, 112,655.48 and 27,745.39

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Solution

The fourth proportional to 75,097.13, 112,655.48 and 27,745.39 is: 41,621.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,097.13 : 112,655.48 = 27,745.39 : x
  2. Step 2: Convert to fraction form
    75,097.13/112,655.48 = 27,745.39/x
  3. Step 3: Cross multiply
    75,097.13x = 112,655.48 × 27,745.39
  4. Step 4: Simplify right side
    75,097.13x = 3,125,669,596.64
  5. Step 5: Solve for x
    x = 3,125,669,596.64/75,097.13
  6. Step 6: Final answer
    x = 41,621.69

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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.