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Finding the Fourth Proportional to 18,043, 24,899.34 and 10,968.10

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Solution

The fourth proportional to 18,043, 24,899.34 and 10,968.10 is: 15,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043 : 24,899.34 = 10,968.10 : x
  2. Step 2: Convert to fraction form
    18,043/24,899.34 = 10,968.10/x
  3. Step 3: Cross multiply
    18,043x = 24,899.34 × 10,968.10
  4. Step 4: Simplify right side
    18,043x = 273,098,451.05
  5. Step 5: Solve for x
    x = 273,098,451.05/18,043
  6. Step 6: Final answer
    x = 15,135.98

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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.