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Finding the Fourth Proportional to 11,862.72, 17,794.02 and 11,141.01

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Solution

The fourth proportional to 11,862.72, 17,794.02 and 11,141.01 is: 16,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.72 : 17,794.02 = 11,141.01 : x
  2. Step 2: Convert to fraction form
    11,862.72/17,794.02 = 11,141.01/x
  3. Step 3: Cross multiply
    11,862.72x = 17,794.02 × 11,141.01
  4. Step 4: Simplify right side
    11,862.72x = 198,243,354.76
  5. Step 5: Solve for x
    x = 198,243,354.76/11,862.72
  6. Step 6: Final answer
    x = 16,711.46

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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.