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Finding the Fourth Proportional to 11,901.95, 17,850.63 and 8,752.67

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Solution

The fourth proportional to 11,901.95, 17,850.63 and 8,752.67 is: 13,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.95 : 17,850.63 = 8,752.67 : x
  2. Step 2: Convert to fraction form
    11,901.95/17,850.63 = 8,752.67/x
  3. Step 3: Cross multiply
    11,901.95x = 17,850.63 × 8,752.67
  4. Step 4: Simplify right side
    11,901.95x = 156,240,673.68
  5. Step 5: Solve for x
    x = 156,240,673.68/11,901.95
  6. Step 6: Final answer
    x = 13,127.32

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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.