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Finding the Fourth Proportional to 18,089.76, 24,943.77 and 11,367.30

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Solution

The fourth proportional to 18,089.76, 24,943.77 and 11,367.30 is: 15,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.76 : 24,943.77 = 11,367.30 : x
  2. Step 2: Convert to fraction form
    18,089.76/24,943.77 = 11,367.30/x
  3. Step 3: Cross multiply
    18,089.76x = 24,943.77 × 11,367.30
  4. Step 4: Simplify right side
    18,089.76x = 283,543,316.72
  5. Step 5: Solve for x
    x = 283,543,316.72/18,089.76
  6. Step 6: Final answer
    x = 15,674.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.