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Finding the Fourth Proportional to 14,226.84, 21,303 and 9,282.60

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Solution

The fourth proportional to 14,226.84, 21,303 and 9,282.60 is: 13,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.84 : 21,303 = 9,282.60 : x
  2. Step 2: Convert to fraction form
    14,226.84/21,303 = 9,282.60/x
  3. Step 3: Cross multiply
    14,226.84x = 21,303 × 9,282.60
  4. Step 4: Simplify right side
    14,226.84x = 197,747,227.80
  5. Step 5: Solve for x
    x = 197,747,227.80/14,226.84
  6. Step 6: Final answer
    x = 13,899.59

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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.