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Finding the Fourth Proportional to 14,606.10, 21,908.88 and 9,914.49

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Solution

The fourth proportional to 14,606.10, 21,908.88 and 9,914.49 is: 14,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.10 : 21,908.88 = 9,914.49 : x
  2. Step 2: Convert to fraction form
    14,606.10/21,908.88 = 9,914.49/x
  3. Step 3: Cross multiply
    14,606.10x = 21,908.88 × 9,914.49
  4. Step 4: Simplify right side
    14,606.10x = 217,215,371.67
  5. Step 5: Solve for x
    x = 217,215,371.67/14,606.10
  6. Step 6: Final answer
    x = 14,871.55

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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.