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Finding the Fourth Proportional to 14,589.95, 21,849.84 and 8,331.00

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Solution

The fourth proportional to 14,589.95, 21,849.84 and 8,331.00 is: 12,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.95 : 21,849.84 = 8,331.00 : x
  2. Step 2: Convert to fraction form
    14,589.95/21,849.84 = 8,331.00/x
  3. Step 3: Cross multiply
    14,589.95x = 21,849.84 × 8,331.00
  4. Step 4: Simplify right side
    14,589.95x = 182,030,928.62
  5. Step 5: Solve for x
    x = 182,030,928.62/14,589.95
  6. Step 6: Final answer
    x = 12,476.46

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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.