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Finding the Fourth Proportional to 75,483.57, 113,257.69 and 25,568.94

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Solution

The fourth proportional to 75,483.57, 113,257.69 and 25,568.94 is: 38,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,483.57 : 113,257.69 = 25,568.94 : x
  2. Step 2: Convert to fraction form
    75,483.57/113,257.69 = 25,568.94/x
  3. Step 3: Cross multiply
    75,483.57x = 113,257.69 × 25,568.94
  4. Step 4: Simplify right side
    75,483.57x = 2,895,879,016.23
  5. Step 5: Solve for x
    x = 2,895,879,016.23/75,483.57
  6. Step 6: Final answer
    x = 38,364.36

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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.