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Finding the Fourth Proportional to 18,493.16, 27,746.72 and 11,102.77

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Solution

The fourth proportional to 18,493.16, 27,746.72 and 11,102.77 is: 16,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.16 : 27,746.72 = 11,102.77 : x
  2. Step 2: Convert to fraction form
    18,493.16/27,746.72 = 11,102.77/x
  3. Step 3: Cross multiply
    18,493.16x = 27,746.72 × 11,102.77
  4. Step 4: Simplify right side
    18,493.16x = 308,065,450.41
  5. Step 5: Solve for x
    x = 308,065,450.41/18,493.16
  6. Step 6: Final answer
    x = 16,658.35

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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.