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Finding the Fourth Proportional to 11,837.76, 17,780.76 and 11,444.04

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Solution

The fourth proportional to 11,837.76, 17,780.76 and 11,444.04 is: 17,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.76 : 17,780.76 = 11,444.04 : x
  2. Step 2: Convert to fraction form
    11,837.76/17,780.76 = 11,444.04/x
  3. Step 3: Cross multiply
    11,837.76x = 17,780.76 × 11,444.04
  4. Step 4: Simplify right side
    11,837.76x = 203,483,728.67
  5. Step 5: Solve for x
    x = 203,483,728.67/11,837.76
  6. Step 6: Final answer
    x = 17,189.38

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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.