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Finding the Fourth Proportional to 75,414.80, 113,089.80 and 37,960.40

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Solution

The fourth proportional to 75,414.80, 113,089.80 and 37,960.40 is: 56,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,414.80 : 113,089.80 = 37,960.40 : x
  2. Step 2: Convert to fraction form
    75,414.80/113,089.80 = 37,960.40/x
  3. Step 3: Cross multiply
    75,414.80x = 113,089.80 × 37,960.40
  4. Step 4: Simplify right side
    75,414.80x = 4,292,934,043.92
  5. Step 5: Solve for x
    x = 4,292,934,043.92/75,414.80
  6. Step 6: Final answer
    x = 56,924.29

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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.