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Finding the Fourth Proportional to 18,007.86, 24,850.80 and 10,049.60

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Solution

The fourth proportional to 18,007.86, 24,850.80 and 10,049.60 is: 13,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.86 : 24,850.80 = 10,049.60 : x
  2. Step 2: Convert to fraction form
    18,007.86/24,850.80 = 10,049.60/x
  3. Step 3: Cross multiply
    18,007.86x = 24,850.80 × 10,049.60
  4. Step 4: Simplify right side
    18,007.86x = 249,740,599.68
  5. Step 5: Solve for x
    x = 249,740,599.68/18,007.86
  6. Step 6: Final answer
    x = 13,868.42

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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.