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Finding the Fourth Proportional to 14,410.85, 19,891.41 and 8,444.45

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Solution

The fourth proportional to 14,410.85, 19,891.41 and 8,444.45 is: 11,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.85 : 19,891.41 = 8,444.45 : x
  2. Step 2: Convert to fraction form
    14,410.85/19,891.41 = 8,444.45/x
  3. Step 3: Cross multiply
    14,410.85x = 19,891.41 × 8,444.45
  4. Step 4: Simplify right side
    14,410.85x = 167,972,035.24
  5. Step 5: Solve for x
    x = 167,972,035.24/14,410.85
  6. Step 6: Final answer
    x = 11,655.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.