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Finding the Fourth Proportional to 18,032.01, 27,015.71 and 11,008.41

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Solution

The fourth proportional to 18,032.01, 27,015.71 and 11,008.41 is: 16,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032.01 : 27,015.71 = 11,008.41 : x
  2. Step 2: Convert to fraction form
    18,032.01/27,015.71 = 11,008.41/x
  3. Step 3: Cross multiply
    18,032.01x = 27,015.71 × 11,008.41
  4. Step 4: Simplify right side
    18,032.01x = 297,399,957.08
  5. Step 5: Solve for x
    x = 297,399,957.08/18,032.01
  6. Step 6: Final answer
    x = 16,492.89

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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.