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Finding the Fourth Proportional to 25,873.68, 38,774.08 and 11,799.12

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Solution

The fourth proportional to 25,873.68, 38,774.08 and 11,799.12 is: 17,682.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,873.68 : 38,774.08 = 11,799.12 : x
  2. Step 2: Convert to fraction form
    25,873.68/38,774.08 = 11,799.12/x
  3. Step 3: Cross multiply
    25,873.68x = 38,774.08 × 11,799.12
  4. Step 4: Simplify right side
    25,873.68x = 457,500,022.81
  5. Step 5: Solve for x
    x = 457,500,022.81/25,873.68
  6. Step 6: Final answer
    x = 17,682.06

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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.