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Finding the Fourth Proportional to 18,004.69, 24,846.45 and 10,455.44

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Solution

The fourth proportional to 18,004.69, 24,846.45 and 10,455.44 is: 14,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.69 : 24,846.45 = 10,455.44 : x
  2. Step 2: Convert to fraction form
    18,004.69/24,846.45 = 10,455.44/x
  3. Step 3: Cross multiply
    18,004.69x = 24,846.45 × 10,455.44
  4. Step 4: Simplify right side
    18,004.69x = 259,780,567.19
  5. Step 5: Solve for x
    x = 259,780,567.19/18,004.69
  6. Step 6: Final answer
    x = 14,428.50

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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.