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Finding the Fourth Proportional to 57,453.75, 86,180.61 and 15,900.75

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Solution

The fourth proportional to 57,453.75, 86,180.61 and 15,900.75 is: 23,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,453.75 : 86,180.61 = 15,900.75 : x
  2. Step 2: Convert to fraction form
    57,453.75/86,180.61 = 15,900.75/x
  3. Step 3: Cross multiply
    57,453.75x = 86,180.61 × 15,900.75
  4. Step 4: Simplify right side
    57,453.75x = 1,370,336,334.46
  5. Step 5: Solve for x
    x = 1,370,336,334.46/57,453.75
  6. Step 6: Final answer
    x = 23,851.12

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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.