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Finding the Fourth Proportional to 14,754.66, 22,131.99 and 5,518.50

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Solution

The fourth proportional to 14,754.66, 22,131.99 and 5,518.50 is: 8,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.66 : 22,131.99 = 5,518.50 : x
  2. Step 2: Convert to fraction form
    14,754.66/22,131.99 = 5,518.50/x
  3. Step 3: Cross multiply
    14,754.66x = 22,131.99 × 5,518.50
  4. Step 4: Simplify right side
    14,754.66x = 122,135,386.82
  5. Step 5: Solve for x
    x = 122,135,386.82/14,754.66
  6. Step 6: Final answer
    x = 8,277.75

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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.