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Finding the Fourth Proportional to 25,043.76, 37,565.64 and 7,274.88

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Solution

The fourth proportional to 25,043.76, 37,565.64 and 7,274.88 is: 10,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,043.76 : 37,565.64 = 7,274.88 : x
  2. Step 2: Convert to fraction form
    25,043.76/37,565.64 = 7,274.88/x
  3. Step 3: Cross multiply
    25,043.76x = 37,565.64 × 7,274.88
  4. Step 4: Simplify right side
    25,043.76x = 273,285,523.12
  5. Step 5: Solve for x
    x = 273,285,523.12/25,043.76
  6. Step 6: Final answer
    x = 10,912.32

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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.