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Finding the Fourth Proportional to 19,241.56, 28,866.39 and 10,925.56

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Solution

The fourth proportional to 19,241.56, 28,866.39 and 10,925.56 is: 16,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.56 : 28,866.39 = 10,925.56 : x
  2. Step 2: Convert to fraction form
    19,241.56/28,866.39 = 10,925.56/x
  3. Step 3: Cross multiply
    19,241.56x = 28,866.39 × 10,925.56
  4. Step 4: Simplify right side
    19,241.56x = 315,381,475.93
  5. Step 5: Solve for x
    x = 315,381,475.93/19,241.56
  6. Step 6: Final answer
    x = 16,390.64

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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.