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Finding the Fourth Proportional to 25,499.92, 38,178.92 and 19,241.04

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Solution

The fourth proportional to 25,499.92, 38,178.92 and 19,241.04 is: 28,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,499.92 : 38,178.92 = 19,241.04 : x
  2. Step 2: Convert to fraction form
    25,499.92/38,178.92 = 19,241.04/x
  3. Step 3: Cross multiply
    25,499.92x = 38,178.92 × 19,241.04
  4. Step 4: Simplify right side
    25,499.92x = 734,602,126.88
  5. Step 5: Solve for x
    x = 734,602,126.88/25,499.92
  6. Step 6: Final answer
    x = 28,808.02

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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.