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Finding the Fourth Proportional to 75,585.94, 113,308.95 and 33,443.68

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Solution

The fourth proportional to 75,585.94, 113,308.95 and 33,443.68 is: 50,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,585.94 : 113,308.95 = 33,443.68 : x
  2. Step 2: Convert to fraction form
    75,585.94/113,308.95 = 33,443.68/x
  3. Step 3: Cross multiply
    75,585.94x = 113,308.95 × 33,443.68
  4. Step 4: Simplify right side
    75,585.94x = 3,789,468,264.94
  5. Step 5: Solve for x
    x = 3,789,468,264.94/75,585.94
  6. Step 6: Final answer
    x = 50,134.57

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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.