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Finding the Fourth Proportional to 19,253.60, 28,884.60 and 10,937.60

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Solution

The fourth proportional to 19,253.60, 28,884.60 and 10,937.60 is: 16,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.60 : 28,884.60 = 10,937.60 : x
  2. Step 2: Convert to fraction form
    19,253.60/28,884.60 = 10,937.60/x
  3. Step 3: Cross multiply
    19,253.60x = 28,884.60 × 10,937.60
  4. Step 4: Simplify right side
    19,253.60x = 315,928,200.96
  5. Step 5: Solve for x
    x = 315,928,200.96/19,253.60
  6. Step 6: Final answer
    x = 16,408.79

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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.