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Finding the Fourth Proportional to 14,603.94, 21,870.84 and 8,344.98

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Solution

The fourth proportional to 14,603.94, 21,870.84 and 8,344.98 is: 12,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.94 : 21,870.84 = 8,344.98 : x
  2. Step 2: Convert to fraction form
    14,603.94/21,870.84 = 8,344.98/x
  3. Step 3: Cross multiply
    14,603.94x = 21,870.84 × 8,344.98
  4. Step 4: Simplify right side
    14,603.94x = 182,511,722.38
  5. Step 5: Solve for x
    x = 182,511,722.38/14,603.94
  6. Step 6: Final answer
    x = 12,497.43

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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.