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Finding the Fourth Proportional to 25,007.80, 37,438.80 and 24,278.80

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Solution

The fourth proportional to 25,007.80, 37,438.80 and 24,278.80 is: 36,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007.80 : 37,438.80 = 24,278.80 : x
  2. Step 2: Convert to fraction form
    25,007.80/37,438.80 = 24,278.80/x
  3. Step 3: Cross multiply
    25,007.80x = 37,438.80 × 24,278.80
  4. Step 4: Simplify right side
    25,007.80x = 908,969,137.44
  5. Step 5: Solve for x
    x = 908,969,137.44/25,007.80
  6. Step 6: Final answer
    x = 36,347.43

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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.