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Finding the Fourth Proportional to 18,461.88, 27,567.54 and 14,670.99

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Solution

The fourth proportional to 18,461.88, 27,567.54 and 14,670.99 is: 21,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.88 : 27,567.54 = 14,670.99 : x
  2. Step 2: Convert to fraction form
    18,461.88/27,567.54 = 14,670.99/x
  3. Step 3: Cross multiply
    18,461.88x = 27,567.54 × 14,670.99
  4. Step 4: Simplify right side
    18,461.88x = 404,443,103.66
  5. Step 5: Solve for x
    x = 404,443,103.66/18,461.88
  6. Step 6: Final answer
    x = 21,906.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.