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Finding the Fourth Proportional to 18,525.76, 27,794.50 and 6,671.42

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Solution

The fourth proportional to 18,525.76, 27,794.50 and 6,671.42 is: 10,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.76 : 27,794.50 = 6,671.42 : x
  2. Step 2: Convert to fraction form
    18,525.76/27,794.50 = 6,671.42/x
  3. Step 3: Cross multiply
    18,525.76x = 27,794.50 × 6,671.42
  4. Step 4: Simplify right side
    18,525.76x = 185,428,783.19
  5. Step 5: Solve for x
    x = 185,428,783.19/18,525.76
  6. Step 6: Final answer
    x = 10,009.24

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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.