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Finding the Fourth Proportional to 11,873.80, 17,810.70 and 11,096.20

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Solution

The fourth proportional to 11,873.80, 17,810.70 and 11,096.20 is: 16,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.80 : 17,810.70 = 11,096.20 : x
  2. Step 2: Convert to fraction form
    11,873.80/17,810.70 = 11,096.20/x
  3. Step 3: Cross multiply
    11,873.80x = 17,810.70 × 11,096.20
  4. Step 4: Simplify right side
    11,873.80x = 197,631,089.34
  5. Step 5: Solve for x
    x = 197,631,089.34/11,873.80
  6. Step 6: Final answer
    x = 16,644.30

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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.