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Finding the Fourth Proportional to 25,548.91, 38,323.38 and 7,080.91

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Solution

The fourth proportional to 25,548.91, 38,323.38 and 7,080.91 is: 10,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,548.91 : 38,323.38 = 7,080.91 : x
  2. Step 2: Convert to fraction form
    25,548.91/38,323.38 = 7,080.91/x
  3. Step 3: Cross multiply
    25,548.91x = 38,323.38 × 7,080.91
  4. Step 4: Simplify right side
    25,548.91x = 271,364,404.68
  5. Step 5: Solve for x
    x = 271,364,404.68/25,548.91
  6. Step 6: Final answer
    x = 10,621.37

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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.