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Finding the Fourth Proportional to 75,029.95, 112,489.03 and 25,080.49

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Solution

The fourth proportional to 75,029.95, 112,489.03 and 25,080.49 is: 37,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029.95 : 112,489.03 = 25,080.49 : x
  2. Step 2: Convert to fraction form
    75,029.95/112,489.03 = 25,080.49/x
  3. Step 3: Cross multiply
    75,029.95x = 112,489.03 × 25,080.49
  4. Step 4: Simplify right side
    75,029.95x = 2,821,279,992.02
  5. Step 5: Solve for x
    x = 2,821,279,992.02/75,029.95
  6. Step 6: Final answer
    x = 37,602.05

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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.