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Finding the Fourth Proportional to 14,394.84, 21,615.72 and 8,883.22

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Solution

The fourth proportional to 14,394.84, 21,615.72 and 8,883.22 is: 13,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.84 : 21,615.72 = 8,883.22 : x
  2. Step 2: Convert to fraction form
    14,394.84/21,615.72 = 8,883.22/x
  3. Step 3: Cross multiply
    14,394.84x = 21,615.72 × 8,883.22
  4. Step 4: Simplify right side
    14,394.84x = 192,017,196.22
  5. Step 5: Solve for x
    x = 192,017,196.22/14,394.84
  6. Step 6: Final answer
    x = 13,339.31

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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.