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Finding the Fourth Proportional to 14,918.99, 22,383.03 and 8,349.78

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Solution

The fourth proportional to 14,918.99, 22,383.03 and 8,349.78 is: 12,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.99 : 22,383.03 = 8,349.78 : x
  2. Step 2: Convert to fraction form
    14,918.99/22,383.03 = 8,349.78/x
  3. Step 3: Cross multiply
    14,918.99x = 22,383.03 × 8,349.78
  4. Step 4: Simplify right side
    14,918.99x = 186,893,491.48
  5. Step 5: Solve for x
    x = 186,893,491.48/14,918.99
  6. Step 6: Final answer
    x = 12,527.23

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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.