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Finding the Fourth Proportional to 25,548.28, 38,322.78 and 7,080.28

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Solution

The fourth proportional to 25,548.28, 38,322.78 and 7,080.28 is: 10,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,548.28 : 38,322.78 = 7,080.28 : x
  2. Step 2: Convert to fraction form
    25,548.28/38,322.78 = 7,080.28/x
  3. Step 3: Cross multiply
    25,548.28x = 38,322.78 × 7,080.28
  4. Step 4: Simplify right side
    25,548.28x = 271,336,012.78
  5. Step 5: Solve for x
    x = 271,336,012.78/25,548.28
  6. Step 6: Final answer
    x = 10,620.52

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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.